Hundreds of Suction Cups: The superior bath and shower mats feature 200 special big suction cups, The different suction cups adsorption stronger than other small suction cup ,that help hold in place on smooth, clean surfaces. This bath mat have more colors and size is a great choice for the home, gym bath, shower. Large Size: The largest bathtub mat 40 inch x 16 inch and provides maximum coverage. Many other mats are smaller leaving areas of your tub exposed. BPA Free, Latex Free, Phthalate free. Excellent Drainage Design: Bath shower mat feature 176 drain holes drains water out quickly and keep the mat dry and clean. Machine Washable: The durable bath mat is machine-washable to facilitate hassle-free maintenance. To clean at any time, simply toss the mat into the machine and enjoy its fresh appearance. 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