Mattress protector with waterproof polyurethane PU film inside, offers waterproof protection of the mattress. It is hypoallergenic, antibacterial and highly absorbent. Externally it consists of a towel made of 50% cotton-50% polyester and a perimeter jersey skirt which keeps it stable on your mattress and does not allow it to wrinkle or move. Available in four dimensions for a perfect fit on any mattress.