Hundreds of Suction Cups: Tub and shower mat features 200 suction cups to help keep in place and clean on smooth surfaces; Great choice for gyms, spas, and more; not suitable for newly remodeled surfaces LARGER SIZE: Extra large, roomy mat measures 40 x 16 inches; provides good coverage in tubs and showers Range Drainage Holes: Small holes through the mat to help water flow; helps prevent wet bottoms Easy to Clean: Machine washable to keep fresh; wash before first use Mat; Machine wash cold with mild detergent; Do not bleach; Rinse and dry after each use to remove greasy, slippery buildup that soap may create; Allow mat to air out in a well-ventilated area 24 hours before use Beautiful Design: Help enhance your bathroom oasis by choosing the color that best suits your bathtub or shower