Reversible folding shower seat shall have a frame constructed of type-304, satin-finish stainless steel that consists of 16-gauge (1.6mm), 1-1/4 in. (30mm) square tubing and 18-gauge (1.2mm), 1 in. (25mm) diameter seamless tubing. Seat shall be one-piece, 1/2 in. (13mm) thick, solid phenolic with matte-finish, ivory-colored, melamine surfaces, and black phenolic-resin core; secured to frame with stainless steel carriage bolts and acorn nuts. Seat shall be reversible for left- or right-hand installation in the field.

Shower seat shall be equipped with two 3 in. (75mm) diameter mounting flanges constructed of type-304, 3/16 in. (5mm) thick, satin-finish stainless steel; a guide bracket constructed of type-304, 16-gauge (1.6mm), satin-finish stainless steel; and a spring constructed of type‑301, 24-gauge (0.6mm) stainless steel that is spot-welded to a baseplate of type-304, heavy-gauge stainless steel. Seat shall remain in upright position when not in use. Shower seat shall comply with barrier-free accessibility guidelines (including ADAAG in the U.S.A.). Shower seat folds up against wall when not in use.