Waterproof sheet with high breathability and water resistance, providing a non-stuffy sleep. This is a practically new item, only checked after purchase! Purchased on Amazon on August 30th! Size: Double Color: Black Material: Polyester Size: D. Double Material Composition: Outer fabric: 100% polyester, Side fabric: 100% polyester, Back: Polyurethane film laminate (waterproof) Pattern: Solid About this product: 【Transform your sleep, enrich your life】Awarded the Amazon Best Award in 2023. Awarded numerous prizes, we deliver the GOKUMIN top-of-the-line "MASTER SLEEP," developed by a Japanese company with thorough quality control and expertise in sleep. 【Waterproof yet breathable】 Adopts an outer fabric with excellent breathability that allows moisture in the form of steam to escape, providing a smooth feel. By applying a high waterproof membrane on the back that clears a water resistance of 6,000mm, we achieve a strong waterproof function. While being highly breathable, it provides a non-stuffy sleep environment. 【Always clean. Antibacterial x Odor-resistant x Anti-mite】 Safe test results from a public third-party organization, mite passage rate of 0%. It can also block sebum and dust larger than mites! Furthermore, by being washable and treated with antibacterial and odor-resistant processing, it can be used cleanly every day. 【Easy to change, non-slip box sheet type】 Easy-to-attach and detach box sheet design. It can widely accommodate mattresses from thin to thick, from about 5cm to 35cm. And, with all-around rubber and non-slip processing, it provides a stable sleep environment that doesn't slip. ISO-certified factory, inspection system and quality control developed by a Japanese company, we also support you after your purchase. We research and develop products every day to satisfy our customers, and we only bring to the world products that we are satisfied with. We gather the latest technology and realize specifications and quality at a cost that other companies cannot match. Experience the moment your awakening in the morning changes. [Product Specifications] ●Size: 140cm x 195cm ●Material: Outer fabric: 100% polyester, Side fabric: 100% polyester, Back: Polyurethane film laminate (waterproof) ●Color: Black ●Product weight: Approximately 1.4kg ●Box size: 20 x 20 x 27cm ●Japanese instruction manual ●1-year warranty ●Antibacterial and odor-resistant specifications First come, first served (^^)