Stay Safe and Comfortable in the Shower This comfortable molded plastic seat with drainage holes is available with a backrest for even more support. The seat height is adjustable from 13" to 20". Shower Bench features adjustable seat height and molded plastic seat with drainage holes and handles. This seat is corrosion-resistant and comes with rubber tips. The height adjusts in 1" increments. Specifications for Bench with Back: Seat height 13" to 20" Width 20" Seat depth: 12" edges, 13" center Overall depth: 16" to 19-1/2" Capacity: 300 lbs. Shipping weight 9 lbs.