The Rubbermaid 7043-04-BSTON Bath Mat cushions the tub floor and helps to prevent slips. Hundreds of suction cups on the bottom of the mat grip to the tub or shower floor to keep the mat in place. It is size extra large: 18-inches wide by 36-inches long. This brownstone/medium brown color bath mat has an antibacterial feature that prolongs the life of the mat and inhibits growth of bacteria and mold. It is easy to clean and machine washable.