Ultra Powerful Grip: featuring 324 suction cups to help secure the mat firmly in place on smooth, clean bath tub or shower surfaces, this mat is easy to install and a great choice for any home, gym, or spa. Patented Design for Maximum Comfort: the mat features a unique hexagon design with a soft, textured topside that will keep you and your whole family comfortable; perfect for taking baths or long showers; even soft and gentle enough for grooming your furry friends. Hundreds of Drainage Holes: constructed with hundreds of drainage holes throughout, the holes allow water and air to circulate which helps to reduce moisture and prevent buildup. Oversized Mat: extra large and generously sized mat is 35 by 16 inches; much larger than others; providing excellent coverage in tubs and showers. Machine Washable: yes, this mat can be washed in the washing machine; we recommend that you wash your mat before you use it the first time and rinse and dry it after each use; keeping your mat clean will help to uphold its fresh appearance and remove the oily and slippery build up that may occur from soaps.