Material of shower mat: 100% PVC. Safe and non-toxic, wash and dry before use. 55*55cm round, suitable for most bathrooms. Massage: The surface of the massage bath mat has a special shape, which has the function of massaging the soles of the feet and is non-slip at the same time. Massage: The surface of the massage bath mat has a special shape, which has the function of massaging the soles of the feet and is non-slip at the same time. p> Drain hole: Quickly drain and dry, the water will drain out after use, protect the surface from mold and other bacteria. Non-slip: The shower mat has suction cups on the bottom for a firm grip. Machine Washable: Soft, foldable, and machine washable. Can be hung to dry on the wall.