--- product_id: 74597312 title: "Kingnex Waterproof Twin XL Mattress Protector for 39x80 College Dorm Bed" brand: "kingnex" price: "¥12202" currency: JPY in_stock: true category: "Kingnex" url: https://www.desertcart.jp/products/74597312-kingnex-waterproof-twin-xl-mattress-protector-for-39x80-college-dorm store_origin: JP region: Japan --- # 70% Bamboo viscose for breathability 100% Waterproof TPU membrane Fits 8-16 inch deep Twin XL mattresses Kingnex Waterproof Twin XL Mattress Protector for 39x80 College Dorm Bed **Brand:** kingnex **Price:** ¥12202 **Availability:** ✅ In Stock ## Summary > 💤 Protect your mattress, elevate your dorm game! ## Quick Answers - **What is this?** Kingnex Waterproof Twin XL Mattress Protector for 39x80 College Dorm Bed by kingnex - **How much does it cost?** ¥12202 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/74597312-kingnex-waterproof-twin-xl-mattress-protector-for-39x80-college-dorm) ## Best For - kingnex enthusiasts ## Why This Product - Trusted kingnex brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Stay Dry, Sleep Soundly:** Advanced TPU waterproof layer blocks all liquids, protecting your mattress from spills and stains. - • **Tailored Fit for Dorm Life:** Stretchable deep pockets snugly fit Twin XL mattresses from 8 to 16 inches deep, no slipping during restless nights. - • **Preserve Your Mattress Feel:** No padding or quilting means you enjoy the original mattress comfort while staying protected. - • **Bamboo Softness Meets Performance:** Ultra-soft bamboo viscose jersey surface wicks moisture and keeps you cooler than traditional fabrics. - • **Effortless Care, Long-Lasting Durability:** Machine washable and tumble dry safe for easy maintenance and lasting freshness. ## Overview The Kingnex Waterproof Twin XL Mattress Protector combines a 70% bamboo viscose and 30% cotton blend with a TPU waterproof membrane to deliver breathable, noiseless, and fully waterproof protection. Designed specifically for Twin XL dorm beds with adjustable deep pockets (8-16 inches), it preserves mattress comfort while ensuring durability and easy machine care. ## Description Waterproof Mattress Protector ## Features - 70% Viscose Made from Bamboo 30% Cotton - Waterproof Protection - TPU membrane coating on the reverse side of the top layer effectively repels liquids, preventing any penetration to keep the mattress clean and dry. - Soft & Breathable - Ultra-soft bamboo viscose jersey surface boasts moisture-wicking properties, cooler than other fabric. It is thin to retain the original feel of the mattress, ensuring a flawless sleeping experience. - Adjustable Bed Friendly - Fits the mattress snugly, staying in place when the mattress is adjusted. there is no padding or quilting—preserving the mattress's original feel while protecting it. - Durable & Easy to Clean - Machine washable in cold water and tumble dry on low heat. - Size Information - Twin XL 39 by 80 fits 8 to 16 deep mattress. With a fitted sheet design and stretchable deep pocket, it accommodates mattresses with 8-16 inches thick perfectly. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B06XDPS3ST | | Age Range Description | Adult | | Best Sellers Rank | #22,378 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #58 in Mattress Protectors | | Brand | Kingnex | | Brand Name | Kingnex | | Closure Type | Pull On | | Color | White | | Customer Reviews | 4.6 out of 5 stars 7,079 Reviews | | Fabric Type | 70% Viscose Made from Bamboo 30% Cotton | | Item Highlight | Fitted Cover for Extra Long Twin Bed, Soft Smooth Bamboo Viscose Jersey Surface, Noiseless | | Item Weight | 1.3 pounds | | Manufacturer | Kingnex | | Manufacturer Part Number | 1200035-2 | | Material Type | Bamboo Viscose | | Model Number | 1200035-2 | | Number of Items | 1 | | Other Special Features of the Product | Water Proof | | Product Care Instructions | Machine Wash | | Size | Twin XL | | Special Feature | Water Proof | | Unit Count | 1 Count | | Water Resistance Level | Waterproof | ## Product Details - **Brand:** Kingnex - **Color:** White - **Fabric Type:** 70% Viscose Made from Bamboo 30% Cotton - **Size:** Twin XL - **Special Feature:** Water Proof ## Images ![Kingnex Waterproof Twin XL Mattress Protector for 39x80 College Dorm Bed - Image 1](https://m.media-amazon.com/images/I/712G-QqXbaL.jpg) ![Kingnex Waterproof Twin XL Mattress Protector for 39x80 College Dorm Bed - Image 2](https://m.media-amazon.com/images/I/41e443oiV5L.jpg) ![Kingnex Waterproof Twin XL Mattress Protector for 39x80 College Dorm Bed - Image 3](https://m.media-amazon.com/images/I/61AJHoxl9KS.jpg) ![Kingnex Waterproof Twin XL Mattress Protector for 39x80 College Dorm Bed - Image 4](https://m.media-amazon.com/images/I/51cn3abQceL.jpg) ![Kingnex Waterproof Twin XL Mattress Protector for 39x80 College Dorm Bed - Image 5](https://m.media-amazon.com/images/I/71Rsu9WikiL.jpg) ## Available Options This product comes in different **Size** options. --- ## 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.jp/products/74597312-kingnex-waterproof-twin-xl-mattress-protector-for-39x80-college-dorm](https://www.desertcart.jp/products/74597312-kingnex-waterproof-twin-xl-mattress-protector-for-39x80-college-dorm) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-09-27*