Model : (INV-WS18-CRP) Triple Chrome Plate on Aluminum Model : (INV-WS18-BN) Brushed Nickel on Aluminum Model : (INV-WS18-PCG) Powder Coat Grey on Aluminum Model : (INV-WS18-ORB) PC Oil Rubbed Bronze on Aluminum SerenaSeat™ Fold Down Shower Seat A soothing shower awaits with this spa inspired design. In the fold-away position, the SerenaSeat™ has an incredibly slim 3"/7.6cm profile.