The Gorilla Grip Waterproof Hypoallergenic Mattress Protector in Full Size is a solid white mattress protector made of cotton material. It is designed for the bedroom, specifically catering to those looking for a hypoallergenic option to keep their mattress clean and protected. With its waterproof feature, this protector is ideal for those who want to prevent allergens and bacteria from accumulating on their mattress, providing a healthier sleeping environment.