This is a waterproof box spring sheet. It can be used with peace of mind for children's bedwetting, in caregiving situations, and for those who sleep with pets. It has a soft texture that supports a good night's sleep, and it's easy to clean because you can wipe it off quickly if it gets dirty. 【Product Features】 Waterproof processing to firmly guard futons and mattresses 360-degree all-around elastic for a non-slip fit Machine washable (avoid using a dryer) Size: King Color: Gray Material: Polyester 【Size】 King (Approximate size: 200 x 200 x 30cm) Used a few times, but it is in good condition. It will be packed and shipped, so please purchase with confidence.