The Invisia SerenaSeat is a wall-mounted folding shower seat designed for use by individuals with balance, mobility, or lower extremity disabilities. This seat has a Brazilian walnut seat and back and an aluminum frame. Brazilian Walnut is naturally resistant to moisture, mildew and decay. The removable backrest conceals the screws of the mounting brackets. The seat folds up when not in use. DIMENSIONS: Folded, the seat has a 3-inch profile. Open, the seat is 18 x 15 x 15 inches. The mounting brackets are 15 inches. CAPACITY: 450 pounds. COLOR: Natural Brazilian walnut and chrome or brushed nickel.