The Invacare I Fit Shower Chair with Back offers comfort and stability for the user. This chair offers a 400lbs weight capacity. It also offers a wide contoured seat that has drain holes for drainage. This chair is very easy to assemble without tools. Large contoured seating surface (18"x20") Tool-Less Assembly: No hardware required: Snaps together in seconds! Plastic legs with twist height adjustment and built in numbering system to keep all legs level Large wide flanged rubber tips for additional security