[Extra Large Size]40"L x 16"W large bath mat will almost completely cover your bathtub or shower stall in homes, gyms, hospitals, hotels and other living areas and feel feel great on your feet. [Strong Suction Cups] This bath rug features 200 strong suction cups that keep the rug sticks well and stays on smooth surfaces. [Good drainage]A total of 176 drainage holes (including 12 super drainage holes) drains water quickly and keeps the mat dry and clean. [High quality material]Made of eco-friendly material, durable and safe, BPA free , latex free and toxic odor free. It is safe and gentle on the skin. Machine washable and easy to clean Simply throw it in the washing machine and let it air dry. [Good to know]The rug only attaches to smooth, clean surfaces. instead of textured, tiled or non-smooth surfaces. To prevent slipping, dampen the tub with a little water before filling the tub mat, then press the bath mat with your hands to firmly attach the suction cups to the tub smooth. lucky