Hundreds of Suction Cups: The superior bath and shower mats feature 169 special big suction cups, The different suction cups adsorption stronger than other small suction cup ,that help hold in place on smooth, clean surfaces. Variety colors availablecollection Large Size:The Square Shower Mats Size 21 x 21 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:The Bath shower mat feature149 drain holes drains water out quickly and keep the mat dry and clean Machine Washable: Our durable mat is machine-washable to facilitate hassle-free maintenance and uphold its fresh appearance. We highly recommend that you wash your mat prior to use. Simply throw the mat in your washing machine on cold with gentle detergent(no bleach) and air dry. We recommend rinsing and drying your bath mat periodically to remove oily and slippery buildup that may occur from various soaps and hair products 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 COMFOTABLE "COBBLESTONE" Extra large shower mat provide a comfortable and anti-slip surface Pebble design provide massage experience in shower time. Great choice for the home, gym, spa and more NON-SLIP Non-slip: 169 special big suction cups simulating octopus for reliable Non-slip traction Power-grip: The anti slip grip produces a smoothly feeling to your feet DRAINAGE QUICKLY The unique bigger drain holes in our bathtub mat, as they allow water to pass through ASAP. Without them, water can pool on the mat making it slippery And also this design gives you greater flexibility for drains that are in atypical locations MACHINE WASHABLE Rinse the mat every time you used, hang to air dry, do not use a dryer or radiator simply toss the mat into the machine and enjoy its fresh appearance.support detergent