Keep your sleep environment clean and healthy with the Premium Waterproof Mattress Protector from LUCID. This fitted sheet-style mattress protector defends against dust mites, allergens and spills, clinging tightly against the mattress for maximum comfort and security. Made from soft, breathable fabric, this mattress protector promotes cool comfortable sleep, and the polyurethane layer offers 100% waterproof protection without noise or stiffness. Twin size protector measures 39 in x 75 in Twin XL size protector measures 39 in x 80 in Full size protector measures 54 in x 75 in Queen size protector measures 60 in x 80 in King size protector measures 78 in x 80 in California King size protector measures 72 in x 84 in Protects against dust mites, allergens and spills Waterproof Imported Material & Care Polyester, polyurethane Machine washable