I used it once, but it didn't suit me, so I'm selling it. Color: Dark Gray Material: Polyester Size: Semi-double, 120X200cm Material Composition: Polyester/Polyurethane Pattern: Solid Product Dimensions: 2 meters length x 1.2 meters width [Product Information] Size: Semi-double, 120X200cm; Material: Surface - 100% Polyester; Filling - 100% Polyester; Back - Polyurethane (TPU waterproof material); Skirt - 100% Polyester; Specifications: All-around elastic, suitable for mattresses/futons up to 30cm thick. [Waterproof] The TPU waterproof material on the back prevents moisture and stains from penetrating the futon or mattress, reducing the worry of bedwetting by children, accidents by pets, and soiling of bedding for the elderly or sick, keeping it clean and hygienic, and supporting a comfortable sleep. [Gentle to the touch] The surface is made of soft and comfortable peach fabric, and the washed finish adds natural wrinkles and softness, bringing out the texture of natural materials, and is comfortable to use all year round with a smooth feel. With waterproof, antibacterial, and anti-mite functions, it can be used with peace of mind by babies, people with sensitive skin, and those with delicate skin. [3-in-1] Waterproof sheet, fitted sheet, and box spring sheet combined for ease! Filled with a moderate amount of filling, it provides a fluffy and comfortable sleeping experience. It is thicker than ordinary box spring sheets and is a pad-integrated box spring sheet that combines softness and resilience. [All-around elastic type] With 360° elastic, it can be easily attached just by covering it. It supports thicknesses up to 30cm, so it can be firmly fixed to mattresses/futons, and it won't slip even if you have a bad sleeping posture, allowing you to sleep soundly until morning. [Washable] You can wash it at home. When using a washing machine, please use a laundry net and wash it on the hand wash course. It dries easily, so it's easy to care for, and you can always keep the bedding that touches your skin clean and comfortable.