--- product_id: 13276292 title: "UltraBlockWaterproof Mattress Cover, Twin XL, White, Breathable, Noiseless, Deep Pockets, Safe Sleeping, Top Tier Tech, Custom Support" brand: "visit the ultrablock store" price: "$89.86" currency: USD in_stock: true url: https://www.desertcart.us/products/13276292-ultrablockwaterproof-mattress-cover-twin-xl-white-breathable-noiseless-deep-pockets store_origin: US region: United States of America --- # 100% Waterproof Breathable Tech Fits 18" Mattresses UltraBlockWaterproof Mattress Cover, Twin XL, White, Breathable, Noiseless, Deep Pockets, Safe Sleeping, Top Tier Tech, Custom Support **Brand:** visit the ultrablock store **Price:** $89.86 **Availability:** ✅ In Stock ## Summary > 🛌 Sleep Smart, Live Well! ## Quick Answers - **What is this?** UltraBlockWaterproof Mattress Cover, Twin XL, White, Breathable, Noiseless, Deep Pockets, Safe Sleeping, Top Tier Tech, Custom Support by visit the ultrablock store - **How much does it cost?** $89.86 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/13276292-ultrablockwaterproof-mattress-cover-twin-xl-white-breathable-noiseless-deep-pockets) ## Best For - visit the ultrablock store enthusiasts ## Why This Product - Trusted visit the ultrablock store brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **No More Noises:** Enjoy a noiseless experience with no crinkling sounds—just pure tranquility. - • **Allergy-Free Zone:** Hypoallergenic materials eliminate dust mites and allergens for a healthier sleep. - • **Sleep Like a Baby:** Experience unparalleled comfort with a soft top surface that wicks away moisture. - • **Ultimate Protection:** Passes the 100-gallon flood test—your mattress is safe from spills and accidents. - • **Easy Care Convenience:** Machine washable with a fitted sheet style cover that stays securely in place. ## Overview The UltraBlock Waterproof Mattress Cover is a Twin XL protector designed with advanced technology to keep your mattress safe from spills, allergens, and moisture. Its breathable, noiseless surface ensures a comfortable sleep experience, while the deep pockets fit mattresses up to 18 inches thick. Hypoallergenic and machine washable, this cover is the ultimate solution for a worry-free night's sleep. ## Description UltraBlockWaterproof Mattress Cover, Twin XL, White, Breathable, Noiseless, Deep Pockets, Safe Sleeping, Top Tier Tech, Custom Support ## Features - About this item - ADVANCED TECHNOLOGY allows the water proof barrier to breathe while the super soft surface wicks away moisture helping to KEEP YOU COOLER AND SLEEP BETTER. SOFT TOP surface makes it MORE COMFORTABLE than standard mattress protectors. Extremely quiet with NO CRINKLING. - 100% WATERPROOF barrier. Make your bed EVERYTHING proof. Get peace of mind knowing your mattress is protected from liquids, spills, urine, pet accidents and more. The ONLY Mattress Protector to pass the 100 gallon Flood Test. Check out the Video to see for yourself! - HYPOALLERGENIC top surface and specialized hi-tech backing help keep you and your family safe by ELIMINATING DUST MITES & their ALLERGENS. Helps prevent and protect from mold and mildew. SAFE, NON TOXIC, odor free, and does not contain PVC's, phthalates, or vinyl. - FITTED SHEET STYLE COVER is MACHINE WASHABLE. Strong, tight fitting elastic secures cover to stay in place - will not slip or bunch up. Stretchable DEEP POCKET SKIRT fits today’s thicker mattresses up to 18” thick and is designed to make it easy to put on and take off. - CUSTOMER SATISFACTION – We stand by and believe in our products 100%! If you have any problems, contact us and we will offer you a full refund or replacement! ## Images ![UltraBlockWaterproof Mattress Cover, Twin XL, White, Breathable, Noiseless, Deep Pockets, Safe Sleeping, Top Tier Tech, Custom Support - Image 1](https://images-na.ssl-images-amazon.com/images/I/81lGrp3WinL.jpg) ![UltraBlockWaterproof Mattress Cover, Twin XL, White, Breathable, Noiseless, Deep Pockets, Safe Sleeping, Top Tier Tech, Custom Support - Image 2](https://images-na.ssl-images-amazon.com/images/I/81lyDYvrXhL.jpg) ![UltraBlockWaterproof Mattress Cover, Twin XL, White, Breathable, Noiseless, Deep Pockets, Safe Sleeping, Top Tier Tech, Custom Support - Image 3](https://images-na.ssl-images-amazon.com/images/I/81RRXE92rrL.jpg) ![UltraBlockWaterproof Mattress Cover, Twin XL, White, Breathable, Noiseless, Deep Pockets, Safe Sleeping, Top Tier Tech, Custom Support - Image 4](https://images-na.ssl-images-amazon.com/images/I/71ROg-ckJpL.jpg) ![UltraBlockWaterproof Mattress Cover, Twin XL, White, Breathable, Noiseless, Deep Pockets, Safe Sleeping, Top Tier Tech, Custom Support - Image 5](https://images-na.ssl-images-amazon.com/images/I/71QZ3meVFRL.jpg) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/13276292-ultrablockwaterproof-mattress-cover-twin-xl-white-breathable-noiseless-deep-pockets](https://www.desertcart.us/products/13276292-ultrablockwaterproof-mattress-cover-twin-xl-white-breathable-noiseless-deep-pockets) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-05-19*