【Hundreds of Suction Cups】The premium bath and shower mats have 169 special large suction cups, the various adsorption suction cups stronger than other small suction cups, which help hold in place on smooth and clean surfaces . Various color collection available 【Large Size】Square shower mats are 21 x 21 inches and provide maximum coverage. Many other mats are smaller, leaving areas of your tub exposed. BPA Free, Latex Free, Phthalate Free 【Excellent Drainage Design】The bath shower mat has 149 drainage holes that drain water quickly and keep the mat dry and clean 【Machine Washable】Our durable rug is machine washable for easy care and to keep it looking fresh. We strongly recommend that you wash your mat before use. Simply toss the rug in your washing machine on cold with mild detergent (no bleach) and let air dry. We recommend rinsing and drying your bath mat periodically to remove oily, slippery buildup that can occur from various soaps and hair products 【Warning】 Fall Prevention: