Preformed Waterproof Shower Seat Triangle 23" X 23" X 20" - Ready to Tile Shower seats offer more leg stability in the shower Shower benches and seats heavily reduce the chances of falls and shower related injuries. Shower seats assist individuals who bathe with a caretaker. Shower seats can be used for hygeine applications such as shaving or waxing. Shower seats add more leisure to your shower experience.