QUESTION: What are the lengths of the three sizes of sliding shower benches? Regular long and extra long. ANSWER: Generally speaking, each design of the sliding transfer bench has three sizes - regular, long and extra long. Regular model is 36" - 37" at base. Long model is 42" - 42" at base and Extra long model is 45" - 47" at base. For particular models please refer to the specifications described on our website. For more discussions, options and details about the product, or to order the product, please click here This extra long sliding transfer bench can hold up to 300 lbs. with soft padded swivel seat and back for comfort seating. The seat of the Extra Long sliding transfer bench glides over extra long polished, high-strength aluminum tubes.  Padded seat and back, textured finish.  Swivel seat, locking every 90o, allows easier entry to and exit from bench.  Rust-proof aluminum construction.  Adjustable height to fit user and bathtub clearance.  Supports up to 300 pounds (135 kg).  Strong suction tipped legs stop movement on wet surfaces. Seat Width: 17.5" Seat Depth: 13.5" Seat Height: 19.25" - 23.75" Actual Slide: 24" Rail Length: 38.375" Base Width: 45.5" - 46.25" Base Depth: 18.25" - 19" Back Height: 12.5" Required Clearance: 14" - 18.5" Leg Length: 9.8" Weight Capacity: 300 lbs.