Walmart US Ecommerce Website

GENERAL MERCHANDISE

PHARMACY

GROCERIES

VUDU

SPARK

PHOTO

ADVERTISING

SAVINGS CATCHER

GIFTCARDS

INHOME

AFFILIATE

ONEAPP

LOTUS

HELP

SMART_REORDER

GROCERY

CONV_COMMERCE

Buy Box Ad Container Module for Desktop

Custom HTML Module - About Klarna

Custom HTML Module - About SalesFinancing - Second update

You'll choose a plan at checkout.

#515357

I want delivery savings with Delivery Pass

#0071dc

NEW Fulfillment Tue Apr 15 2025 2:17 PM EDT

MTZ Team | Marquee 1 Ad | Item Page

MTZ Team | Marquee 2  Ad | Item Page

MTZ Team | Skyline Ad | Item Page

Other products of interest

MTZ Team | Sponsored Product Carousel - Item Page

More items to explore

MTZ Team | Sponsored Product Carousel - Item Page Broad 

NEW AddonServicesRedesign Fri Jul 18 2025 1:30 PM EDT

NEW AddToCart Mon Jul 14 2025 3:50 PM EDT

NEW AddToCart Tue Apr 15 2025 2:19 PM EDT

NEW BrandBoxDisplayAd Mon Jul 14 2025 9:14 PM EDT

NEW BrandLink Wed Apr 23 2025 12:07 AM EDT

NEW Breadcrumb Mon Apr 07 2025 8:23 PM EDT

Walmart Rewards Mastercard

NEW FinancingOptions Tue Dec 10 2024 3:32 PM EST

I want shipping & delivery savings with

NEW Fulfillment Mon Jul 14 2025 4:00 PM EDT

NEW InternationalShipping Mon May 18 2026 1:02 PM EDT

New Item Page - Nutrition Value Placeholder Module, Wednesday, February 08, 2023, 5:11:53:90 pm

New Item Page - Product Description Placeholder Module, Wednesday, February 08, 2023, 5:14:04:38 pm

New Item Page - Product Ingredients Placeholder Module, Friday, February 10, 2023, 10:34:23:79 am

New Item Page - Product Specifications Placeholder Module, Wednesday, February 08, 2023, 5:15:29:61 pm

New Item Page - Reviews Placeholder Module, Wednesday, March 22, 2023, 10:04:29:34 am

New Item Related Shelves Module, Thursday, June 15, 2023, 6:08:51:10 am

 Price Match Policy

Prices, terms, and availability may vary online, in stores, and in–app. If the advertised price is not shown here, inventory at the advertised price may now be sold out. Please see the other offers, if available, while quantities last. Some items may be available from Marketplace Sellers, who set their own prices, and are not eligible for price match. Items sold in store by Walmart may be eligible for a price match to online items shipped and sold by Walmart. For variable weight items, price shown is an estimated price only – you will be charged for the actual weight of the item. See our

NEW LegalPriceDisclaimer Mon Jul 14 2025 4:11 PM EDT

NEW LegalPriceDisclaimer Wed Apr 30 2025 12:13 AM EDT

NEW ListsAndRegistries Tue Apr 15 2025 4:50 PM EDT

NEW PaymentPlans Mon Jul 14 2025 4:15 PM EDT

NEW PaymentPlans Tue Apr 15 2025 1:31 PM EDT

NEW PriceInformation Tue Apr 15 2025 1:30 PM EDT

NEW ProductDescriptionPlaceholderATF Tue Jul 08 2025 11:41 PM EDT

NEW ProductFlags Thu Apr 10 2025 11:42 PM EDT

NEW ProductHighlightsPlaceholder Wed Jul 02 2025 12:43 AM EDT

NEW ProductImages Tue Apr 15 2025 2:13 PM EDT

NEW ProductName Tue Apr 15 2025 12:53 PM EDT

NEW ProductReturnPolicyDetails Tue Dec 10 2024 3:17 PM EST

NEW ProductReturnPolicy Mon Jul 14 2025 5:04 PM EDT

Return Policy

NEW ProductReturnPolicy Tue Apr 15 2025 2:28 PM EDT

NEW ProductStickyBuyBox Wed Jul 02 2025 12:55 AM EDT

NEW PromoDiscount Tue Apr 15 2025 6:53 PM EDT

New SellersSecondaryBuyBox Module, Tuesday, September 05, 2023, 4:02:21:76 pm

NEW ShopWithConfidence Thu Jan 15 2026 2:20 PM EST

NEW SocialProofMessage Tue Apr 15 2025 7:17 PM EDT

NEW SoldAndShippedBy Mon Jul 14 2025 5:04 PM EDT

NEW SoldAndShippedBy Tue Apr 15 2025 2:23 PM EDT

New!

More savings, less stress.

HSK_Subscribetosave_E_v2

NEW SubscriptionOptionsModule Tue Apr 15 2025 6:44 PM EDT

NEW SubscriptionPriceMessage Wed Apr 23 2025 6:48 PM EDT

NEW Variants Wed Apr 23 2025 11:01 PM EDT

[Sticky] BuyBoxAd Mon Aug 11 2025 3:59 AM EDT

[Sticky] PriceInformation Mon Jul 14 2025 4:03 PM EDT

Syndigo

#000000

Item Carousel - Rich Relevance 1

RR carousel

Item Carousel - Rich Relevance 2

RR carousel 2

Item Carousel - Rich Relevance 3

KEINXS Kosmiko Mattress Protector Twin Size  Bed Bug Proof Mattress Cover 100% Waterproof for Bed  Zippered Mattress Encasement Six-Sided 15 inches deep

<ul><li>100% WATERPROOF PROTECTION: Our mattress protector is one thing you can rely on. Combat night sweats, and incontinence, while enjoying peaceful, valuable sleep. The perfect solution for people with kids. Our mattress protector is the simplest, easiest way to keep your mattress looking brand new.</li><li>BED BUG PROOF MATTRESS COVER: Many mattress encasements make the claim that they are bed bug proof. Only Kosmiko makes that claim and backs it up by being manufactured in an EPA Registered Facility. Our nylon coil zippered encasement is state of the art to ensure nothing gets in or out once the mattress has been sealed shut.</li><li>NOISELESS & PERFECT FIT: Our mattress topper is designed for all types of mattresses including memory foam, latex, or spring. It is completely silent and produces no crinkling sound. Our bed protector stays smooth and neat, so your mattress will feel as quiet and comfy as before the cover is applied.</li><li>100% HYPOALLERGENIC & BREATHABLE: Soft material naturally absorbs liquids while allowing air to circulate, keeping you feeling cool and fresh all night long. The waterproof keeps fluids and dust mites away from your mattress, trapping them inside the mattress protector instead.</li><li>ULTIMATE COMFORT GUARANTEED: Our mattress cover is made from the finest quality, 80% Cotton 20% Polyester. The ultra-soft and breathable membrane wicks away moistness and regulates heat, so you and your family can enjoy a fresh and cool sleeping environment.</li><li>3-YEAR WARRANTY: Kosmiko  (Oeko-Tex Standard 100 Certification Proved) doesn`t just make claims about the superiority of our product we also back it up with a 3-year warranty with no questions asked.</li></ul>

Bed Size

Brand

This mattress protector is made using 300TC 80% Cotton 20% Polyester fabric to provide optimal comfort and long-lasting strength. The smooth Terry Top layer is soft and comfortable under the sheets, while the to offer the utmost protection. Mattress Protector Cover Zippered Mattress Encasement Six-Sided 15 inches deep Waterproof Encasement Great for those with kids, pets, allergies, asthma, eczema or incontinence, this also defends against body Anti-Static, Sustainable, Non-Toxic, Nondisposable, fluids, skin flakes, bed bugs, and will protect your mattress from liquids and stains. It’s even backed by a 3-year warranty to ensure you are completely satisfied! While some protectors might pop off the corners while you sleep, that won’t happen with this deep pocket protector. It’s especially deeper in the corners to allow stretching over a thick mattress. Furthermore, this protector completely surrounds the mattress and is equipped with a zipper closure to assure a secure fit.   100% WATERPROOF PROTECTION: Our mattress protector is one thing you can rely on. Combat night sweats, and incontinence, while enjoying peaceful, valuable sleep. The perfect solution for people with kids. Our mattress protector is the simplest, easiest way to keep your mattress looking brand new.   BED BUG PROOF MATTRESS COVER: Many mattress encasements make the claim that they are bed bug proof. Only Kosmiko makes that claim and backs it up by being manufactured in an EPA Registered Facility. Our nylon coil zippered encasement is state of the art to ensure nothing gets in or out once the mattress has been sealed shut.   NOISELESS & PERFECT FIT: Our mattress topper is designed for all types of mattresses including memory foam, latex, or spring. It is completely silent and produces no crinkling sound. Our bed protector stays smooth and neat, so your mattress will feel as quiet and comfy as before the cover is applied.   100% HYPOALLERGENIC & BREATHABLE: Soft material naturally absorbs liquids while allowing air to circulate, keeping you feeling cool and fresh all night long. The waterproof keeps fluids and dust mites away from your mattress, trapping them inside the mattress protector instead.<br><br>   ULTIMATE COMFORT GUARANTEED: Our mattress cover is made from the finest quality, 80% Cotton 20% Polyester. The ultra-soft and breathable membrane wicks away moistness and regulates heat, so you and your family can enjoy a fresh and cool sleeping environment.   3-YEAR WARRANTY: Kosmiko&nbsp; (Oeko-Tex Standard 100 Certification Proved) doesn`t just make claims about the superiority of our product we also back it up with a 3-year warranty with no questions asked.            Twin (39"x74"x12")     Twin XL(39"x80"x12")     Full(54"x75"x12")     Full XL(54"x80"x12")     Queen (60"x80"x12")     King (78"x80"x12")     Cal King(72"x84"x12")