Premium Waterproof Mattress Protector It can be used by all kinds of person - kids, pregnant and allergic person. For kids, usualy they sweat and dribble a lot; For pregnant, they always lie on the bed, a lot of sweat will left on the bed, which will cause mites and bacteria; Some people are sensitive to mites and bacteria, so a safe and clean environment is very important. Cr plush mattress protector is waterproof, which will help to keep your mattress clean and you just need to wash and dry protector because usually the foam of mattress can not be put into washer directly. The mattress protector is also ventilated because of the materials, so do not worry about it will let you feel too hot. Available sizes: TWIN (38"x74"x18"), TWINXL(38"x8"x18"), FULL(54"x74"x18"), QUEEN(6"x8"x18") , KING(76"x8"x18")