Large bathtub mat 40 x 16 inches will cover the length of most tubs. Features 200 powerful suction cups, ensuring the shower mat sticks firmly and stays in place. Consists of 176 drain holes, draining water out quickly and keep the bath mat dry and clean. Made of pvc material. Easy to clean. Just throw the bath and shower safety mat in the washing machine and let it air dry afterward. Bath tub mat only attaches to smooth clean surfaces instead of textured surfaces.