30 Days Return

For Any Reason

24 Months

Extra Long Time Warranty



30-Day Money-Back Guarantee for Any Reason

You may return your undamaged product and packaging within 30 days of purchase to receive a FULL REFUND for any reason. If the reason for return isn’t quality-related, the customer must pay the return shipping costs.

To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging. To complete your return, we will require the order number of your purchase. Please do not send your purchase back to the manufacturer


Returns Steps

1. Take a Picture of the Damage

Don’t waste time and money on shipping, simply take a photo of your warranty issue and attach it to the form below.

2. Fill out the warranty form with picture

The form below will let us know where you got your product and what we can do to help you.

3. Send the form and we will get back to you

Once we receive your claim we will process it immediately. Warranties may take up to 30 days to file.

We stand behind the quality of our products and want to make sure you are satisfied with your purchase. We only refund purchases made from our website and warranties require a proof of purchase. Purchases made outside of the matthem.com website must adhere to the refund policy of the distributor. Matthem’s product warranties last two years unless noted otherwise.

Full Name (required)

Your Email (required)

You want return or replacement (required)
 Return Replacement

Product (required)

Store/website product was purchased at (required)

Order ID (required)

Purchase date (or closest estimate)

Attach a photo showing the damaged product (required)

Description of damage and how it happened


Answers to your Questions


What Shipping Methods Are Available?

We offer 1 flat rate shipping option:

  • Standard FREE 5-7 Day Shipping
Do You Ship Internationally?

    Yes,We can ship our product to all of world.Except in USA,we have

    warehouse on UK.DE.CN,We can ship them from the warehouse close

    your local market.

When will my items ship?

    Allow for 24-48 business hours for your items to ship. If for some reason

    some items cannot be shipped or will take longer we will notify you

    and issue a refund.

What does FREE shipping mean?

    We offer a standard FREE 5-7 day shipping rate to residents on the continental U.S.

    This means that once you package ships allow for 5-7 business days

    to receive your package. Your package may take up to 3 business

    days to ship, but usually ships much, much faster.


What Payment Methods Are Accepted?

    Now we accept Paypal and credit card.

How do I change my password?

    Login to your account and click on the change password link just below

    your account information. Be sure to choose a strong password that is at

    least 8 characters.

What if I forgot my password?

    If you can’t remember your password go to the login page and click the

    “forgot password” link under the login form. Enter you’re email and we’ll

    reset your password and send it to your registered email.

Why do you save my credit card and is my information safe?

    We store your card to make the checkout process convenient and quick.

    You can remove your card at anytime. We use a payment gateway to

    store your information which meets the most stringent saftey

    requirements known and is fully “PCI Compliant”. PCI Compliance is the

    standard the credit card industry has established for the safety of your

    information. You also have the option of checking out with PayPal and

    we will only save the information we need to ship your package to you.

    If you’re concerned about how we’ll use your information please see or

    Privacy Policy

Do you share my information with anyone?

    No, we will not share any of your information with anyone without your

    explicit permission


Do I need an account to place an order?

    Yes. You have to register a account for place an order.but it is easy to

    create a account by safe.

How will I know when my package has shipped?

    We will notify you when your package has been prepared for our

    shipper and send you a tracking number and shipment notification by

    email. You can also login and check the status of your order at anytime.

What does it mean if an item says it’s “Cancelled”?

    If an item says it has been cancelled that means we were unable to fulfill

    that item in your order. The are many possible reasons, but most likely

    the item went out of stock while you were ordering. We will issue you a

    full refund for any item that is cancelled.

How can I have a product warranty?

    You have to register product warranty at first.You can click here to


    After you purchase our product,Pls make a register on monstarla.com,

    then we can offer the warranty within the promise time.

What is the 30 day money back guarantee?

    We want you to feel confident that purchasing from monstarla.com is the

    right choice. To do this we’re offering a 30 day money back guarantee so

    you can rest assured you’re getting the finest bedding products

    available. We’re so confident you’ll be happy with the products we

    provide we’ll let you return any product, for any reason, within 30 days

    of the purchase date on your receipt and the shipping is on us.

How Do I Track My Order?

    After your items ship we will email you a tracking number. You can also

    login at anytime after items have shipped to track your package.


How Can I Cancel Or Change My Order?

    No, orders are packaged and prepared for shipment minutes after the

    order has been submitted. Once an item is prepared for shipment (i.e.

    status is “waiting shipment”) there is no way for us to stop it from

    shipping to you. Once you receive the item you may return it for a full

    refund or exchange for another item (If the item is not the same price

    we may have to refund additional funds or charge additional funds



How do I make a claim on your 30 day money back guarantee?

    Please go to our support page and select “Return” for the subject and

    explain what you are returning. Our customer service rep will direct you

    on how to ship the product back.

How do I make a claim on a product warranty?

    If it’s the retailor warranty you will need to contact the retailor directly,

    but if you’re taking advantage of our 30 day money back guarantee then

    please see above: “How do I make a claim on your 30 day money back



How do I use a PROMO code?

To use a PROMO code add items to your shopping cart and proceed to the checkout page. Below your order summary there will be a field where you can enter your PROMO code and press “Apply”. If your PROMO code is valid you will see a message indicating your discount and your totals will be adjusted.


Any unanswered questions? Contact Us

What information do we collect?

We collect information from you when you register on our site, place an order or subscribe to our newsletter.

When ordering or registering on our site, as appropriate, you may be asked to enter your name, email address, mailing address or phone number. You may, however, visit our site anonymously.

What do we use your information for?

Any of the information we collect from you may be used in one of the following ways:

To process transactions

Your information, whether public or private, will not be sold, exchanged, transferred, or given to any other company for any reason whatsoever, without your consent, other than for the express purpose of delivering the purchased product or service requested.

To send periodic emails

The email address you provide for order processing, may be used to send you information and updates pertaining to your order, in addition to receiving occasional company news, updates, related product or service information, etc.

Note: If at any time you would like to unsubscribe from receiving future emails, we include detailed unsubscribe instructions at the bottom of each email.

How do we protect your information?

We implement a variety of security measures to maintain the safety of your personal information when you place an order or enter, submit, or access your personal information.

We offer the use of a secure server. All supplied sensitive/credit information is transmitted via Secure Socket Layer (SSL) technology and then encrypted into our Payment Gateway Providers Database only to be accessible by those authorized with special access rights to such systems, who are required to keep the information confidential.

After a transaction, your private information (credit cards, social security numbers, financials, etc.) will not be stored on our servers.

Do we use cookies?

Yes. Cookies are small files that a site or its service provider transfers to your computer’s hard drive through your web browser (if you allow it to) that enables the site’s or service provider’s systems to recognize your browser and capture and remember certain information.

We use cookies to help us remember and process the items in your shopping cart, understand and save your preferences for future visits, keep track of advertisements and compile aggregate data about site traffic and site interaction so that we can offer better site experiences and tools in the future.

Do we disclose any information to outside parties?

We do not sell, trade, or otherwise transfer to outside parties your personally identifiable information. This does not include trusted third parties who assist us in operating our website, conducting our business, or servicing you, so long as those parties agree to keep this information confidential. We may also release your information when we believe release is appropriate to comply with the law, enforce our site policies, or protect ours or others rights, property, or safety. However, non-personally identifiable visitor information may be provided to other parties for marketing, advertising, or other uses.

Third Party Links

Occasionally, at our discretion, we may include or offer third party products or services on our website. These third party sites have separate and independent privacy policies. We therefore have no responsibility or liability for the content and activities of these linked sites.

Nonetheless, we seek to protect the integrity of our site and welcome any feedback about these sites.

California Online Privacy Protection Act Compliance

Because we value your privacy we have taken the necessary precautions to be in compliance with the California Online Privacy Protection Act. We therefore will not distribute your personal information to outside parties without your consent.

As part of the California Online Privacy Protection Act, all users of our site may make any changes to their information at anytime by logging into their account and going to ‘Edit User Profile’.

Children’s Online Privacy Protection Act Compliance

We are in compliance with the requirements of COPPA (Childrens Online Privacy Protection Act), and we do not collect any information from anyone under 13 years of age. Our website, products and services are all directed to people who are at least 13 years old or older.

Online Privacy Policy Only

This online Privacy Policy applies only to information collected through our website and not to any information collected offline.

Terms of Use

Please also read our Terms of Use, which explains proper use of our website at www.monstarla.com

Your Consent

By using our site, you consent to our website Privacy Policy.

Changes to Our Privacy Policy

If we decide to change our Privacy Policy, we will update the Privacy Policy modification date below.

Last modified: 4/20/2016

Contact Us

If you have any questions about our Privacy Policy, please contact us at support@mails.monstarla.com

License to Use Website

Unless otherwise stated, monstarla.com and / or its licensors own the intellectual property rights in the website and material on the website. Subject to the license below, all these intellectual property rights are reserved.

You may view, download (for caching purposes only), and print pages, user manuals, or other product information from the website for your own personal use, subject to the restrictions set out below and elsewhere in these Terms of Use.

You must not:

  • Republish material from this website (including republication on another website), sell, rent or sub-license material from the website
  • Show any material from the website in public
  • Reproduce, duplicate, copy or otherwise exploit material on this website for a commercial purpose
  • Edit or otherwise modify any material on the website
  • Redistribute material from this website except for content specifically and expressly made available for redistribution

Acceptable Use

You must not use this website in any way that causes, or may cause, damage to the website or impairment of the availability or accessibility of the website, or in any way which is unlawful, illegal, fraudulent or harmful, or in connection with any unlawful, illegal, fraudulent or harmful purpose or activity.

You must not use this website to copy, store, host, transmit, send, use, publish or distribute any material which consists of (or is linked to) any spyware, computer virus, Trojan horse, worm, keystroke logger, rootkit or other malicious computer software.

You must not conduct any systematic or automated data collection activities (including without limitation scraping, data mining, data extraction and data harvesting) on or in relation to this website without monstarla.com’s express written consent.

You must not use this website to transmit or send unsolicited commercial communications.

You must not use this website for any purposes related to marketing without maonstarla.com’s express written consent.

User Content

In these Terms of Use, “your user content” means material (including without limitation text, images, audio material, video material and audio-visual material) that you submit to this website, for whatever purpose.

You grant to monstarla.com a worldwide, irrevocable, non-exclusive, royalty-free license to use, reproduce, adapt, publish, translate and distribute your user content in any existing or future media. You also grant to monstarla.com the right to sub-license these rights, and the right to bring an action for infringement of these rights.

Your user content must not be illegal or unlawful, must not infringe any third party’s legal rights, and must not be capable of giving rise to legal action whether against you or monstarla.com or a third party (in each case under any applicable law).

You must not submit any user content to the website that is or has ever been the subject of any threatened or actual legal proceedings or other similar complaint.

monstarla.com reserves the right to edit or remove any material submitted to this website, or stored on monstarla.com’s servers, or hosted or published upon this website.

Notwithstanding monstarla.com’s rights under these Terms of Use in relation to user content, monstarla.com does not undertake to monitor the submission of such content to, or the publication of such content on, this website.

No Warranties

This website is provided “as is” without any representations or warranties, express or implied. monstarla.com makes no representations or warranties in relation to this website or the information and materials provided on this website.

Without prejudice to the generality of the foregoing paragraph, monstarla.com does not warrant that:

  • This website will be constantly available, or available at all; or
  • The information on this website is complete, true, accurate or non-misleading.

Nothing on this website constitutes, or is meant to constitute, advice of any kind. If you require advice in relation to any legal, financial or medical matter you should consult an appropriate professional.

Limitations of Liability

monstarla.com will not be liable to you (whether under the law of contact, the law of torts or otherwise) in relation to the contents of, or use of, or otherwise in connection with, this website:

  • To the extent that the website is provided free-of-charge, for any direct loss
  • For any indirect, special or consequential loss
  • For any business losses, loss of revenue, income, profits or anticipated savings, loss of contracts or business relationships, loss of reputation or goodwill, or loss or corruption of information or data.

These limitations of liability apply even if monstarla.com has been expressly advised of the potential loss.


Nothing in this website disclaimer will exclude or limit any warranty implied by law that it would be unlawful to exclude or limit, and nothing in this website disclaimer will exclude or limit monstarla.com’s liability in respect of any:

  • Death or personal injury caused by monstarla.com’s negligence
  • Fraud or fraudulent misrepresentation on the part of monstarla.com
  • Matter which it would be illegal or unlawful for monstarla.com to exclude or limit, or to attempt or purport to exclude or limit, its liability.


By using this website, you agree that the exclusions and limitations of liability set out in this website disclaimer are reasonable.

If you do not think they are reasonable, you must not use this website.

Other Parties

You accept that, as a limited liability entity, monstarla.com has an interest in limiting the personal liability of its officers and employees. You agree that you will not bring any claim personally against monstarla.com’s officers or employees in respect of any losses you suffer in connection with the website.

Without prejudice to the foregoing paragraph, you agree that the limitations of warranties and liability set out in this website disclaimer will protect monstarla.com’s officers, employees, agents, subsidiaries, successors, assigns and sub-contractors as well as monstarla.com

Unenforceable Provisions

If any provision of this website disclaimer is, or is found to be, unenforceable under applicable law, that will not affect the enforceability of the other provisions of this website disclaimer.


You hereby indemnify monstarla.com and undertake to keep monstarla.com indemnified against any losses, damages, costs, liabilities and expenses (including without limitation legal expenses and any amounts paid by monstarla.com to a third party in settlement of a claim or dispute on the advice of monstarla.com’s legal advisers) incurred or suffered by monstarla.com arising out of any breach by you of any provision of these Terms of Use, or arising out of any claim that you have breached any provision of these Terms of Use.


Without prejudice to monstarla.com’s other rights under these Terms of Use, if you breach these Terms of Use in any way, monstarla.com may take such action as monstarla.com deems appropriate to deal with the breach, including suspending your access to the website, prohibiting you from accessing the website, blocking computers using your IP address from accessing the website, contacting your internet service provider to request that they block your access to the website and/or bringing court proceedings against you.


monstarla.com may transfer, sub-contract or otherwise deal with monstarla.com’s rights and/or obligations under these Terms of Use without notifying you or obtaining your consent. You may not transfer, sub-contract or otherwise deal with your rights and/or obligations under these Terms of Use.

Entire Agreement

These Terms of Use, together with monstarla.com’s Privacy Policy, constitute the entire agreement between you and monstarla.com in relation to your use of this website, and supersede all previous agreements in respect of your use of this website.

Law and Jurisdiction

These Terms of Use will be governed by and construed in accordance with US law, and any disputes relating to these Terms of Use will be subject to the exclusive jurisdiction of the courts of California.

Changes to Our Terms of Use

If we decide to change our Terms of Use, we will update the Terms of Use modification date below.

Last Modified: 9/4/2016

Contact Us

If you have any questions about our Privacy Policy, please contact us at: support@mails.monstarla.com

Whether you’re interested in selling our products as a distributor or just looking to make a single bulk order,

we’re thrilled about your interest in our products and look forward to helping you find a solution.

Business Partner Distributor

Join in our growth as an Monstar brand distributor or vendor. Click here to learn more about partnership benefits.

Corporate Gifts And Bulk Order

Monstar products make the perfect gift for your employees and clients. We offer a range of customization services and discounts

Government Education Solutions

Monstar is honored to offer custom solutions to our government and education partners

Other Request and Customized Order

If none of the previous solutions seem to meet your needs, please share your unique request with us via the following options:


Your Name (required)

Company Name (required)

Your Email (required)

Phone Number

Web Site

Shipping Country


Estimated Order in USD

Purchase Purpose
 Gift Retail Bulk Reseller/Distributor Custom ODM Others


Product Link

Add a File

Your Message

30-Day Money-Back Guarantee for Any Reason

You may return your undamaged product and packaging within 30 days of purchase to receive a FULL REFUND for any reason. If the reason for return isn’t quality-related, the customer must pay the return shipping costs.

To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging. To complete your return, we will require the order number of your purchase. Please do not send your purchase back to the manufacturer



● Requests within country of purchase

We will take care of all quality-related issues with a REPLACEMENT or FULL REFUND including any return shipping costs. Please note: Any provided shipping labels must be used within 20 days of purchase.

● Requests from outside country of purchase

We will take care of all quality-related issues with a FULL REFUND or REPLACEMENT. International shipping costs must be covered by the customer. If the item cannot be returned then we will offer a 50% REFUND.

● Requests for orders shipped internationally

We will take care of all quality-related issues with a FULL REFUND including any return shipping costs. This includes purchases shipped overseas from the USA via Amazon or eBay.

For purchases made through other retailers:

Other retailers’ after-sales support policies will vary. Please contact the retailer directly for specific guidance on their warranty process.Unauthorized reselling of Allwa products is strictly prohibited.


You have to register product warranty at first.You can find the form on the bottom  to register.

After you purchase our product,Please make a register on matthem.com,then we can offer the warranty within the promise time.

1.What isn’t covered by the warranty?

  • Purchases from unauthorized resellers
  • Improperly operated devices
  • Lost or stolen products
  • Purchases made over 18 months ago (unless otherwise stated)
  • Non quality-related issues (after 30 days of purchase)
  • Free products

2.When does the warranty begin?

It begins the day you place your order.

3.How do I claim the warranty?

Before submitting a warranty claim, please refer to the specific FAQs for your product and attempt all troubleshooting suggestions.

If you believe the item is defective and under warranty, please submit a Return or Exchange request on the product’s support page, or contact us at info@matthem.com

4.What is a valid proof of purchase?

  • An Amazon order number or eBay username for a purchase made through Official store
  • A dated sales receipt from an authorized Allwa Reseller that shows a description of the product along with its price

5.What if I don’t have any proof of purchase?

  • If you made your purchase through official Store, we may be able to locate your order using your email address, name or shipping address.
  • If you made your purchase through an authorized Monstar Reseller, you may contact the Reseller to see if they can provide a copy of your receipt.
  • If the product was a gift, you may ask the giver to provide you with a copy of the receipt or claim the warranty on your behalf.

6.Will the warranty be renewed if my product is replaced?

The warranty continues from the date of your original purchase. It won’t be renewed after a replacement has been provided.

7.Who are authorized Matthem Retailers and Resellers?

Our major authorized Retailers and Resellers are Amazon.com LLC. For more information, please contact our Customer Team



Contact us for any further questions, possible projects

and business partnerships

Let's have a chat!

Telephone: 323.902.5966

Fax: 323.952.5166


Visit our location

1055 West 7th Street FL 33

Los Angeles, CA90017, USA

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