Hundreds of Suction CupsThe high-quality bathtub and shower mat has 169 large special suction cups, each kind of suction cup is stronger than others Small suction cups to help keep it in place on smooth, clean surfaces. Various Colors Available LARGE SIZEThe square shower mat measures 21 x 21 inches, providing maximum coverage. Many other cushions are smaller, leaving areas of the tub exposed. BPA, Latex, Phthalates Free Excellent Drainage DesignThe tub shower mat has 149 drainage holes, which can drain water quickly and keep the mat dry and clean Machine WashableOur durable rugs are machine washable for easy care and keep them looking fresh. We strongly recommend that you wash the mat before use. Simply place the rug in the washing machine on cold with mild detergent (do not bleach) and allow to air dry. We recommend rinsing and drying your bath mat regularly to remove any greasy and slippery buildup that various soaps and hair products can create WarningFall Prevention: Install the suction cup before each use. The pad should only be attached to clean, smooth surfaces. Do not use on textured, tiled or non-smooth surfaces. Don't use bat