Sure Tread non-slip bath and shower mats give you an extra sense of security and total peace of mind. With their raised ridges and unique design, the mats allow you to stand or sit, without slipping, on a wet surface. The mats grip securely and safely due to their high-grade medical rubber content and additional suction cups. Machine washable at 40°. 30-3/4"L x 13-3/4"W.