Seat shall be constructed of one-piece, ½" thick, solid phenolic with matte-finish, ivory-colored, melamine surfaces, and black phenolic-resin core. Seat shall be reversible for left- or right-hand installation in the field. Seat shall be attached to wall by two 3" diameter mounting flanges constructed of type 304, 3/16" thick stainless steel with satin finish. Shower seat shall comply with barrier-free accessibility guidelines. Seat shall be able to lock in upright position when not in use.