Pvc FIT FOR MOST BATHTUB: Superior bath and shower mats feature special big adsorption stronger suction cups, that help hold in place on smooth, clean surfaces of bathtub. Which is enough to cover the entire bathtub, stable and non-slip. Environmentally safe and non-irritating. No BPA, No Latex, No phthalates. Protects the safety of family members CLEAN MACHINE WASH & QUICK-DRY: Yimobra durable tub mat can be machine washed. After each bath, rinse with water then hang on the wall or bathtub side. Easy to clean at any time, you can also throw the mat into the washing machine, do not need the machine to dry, place it in a dry and ventilated place, it will dry within a few minutes naturally WARNING !! : Prevent Falls: Secure suction cups before each use. Mat will only attach to clean, smooth surface. Not for use on textured, tiled, or non-smooth surfaces. Do not use bath oils and jump on the bath mat may cause slipping