The Ezee Life 150 Shower Commode Chair from IndeMedical.com is constructed of high quality aluminum that will not rust. It features a 15" x 15" seat size and is designed for use by small adults, teens and large children. The chair comes standard with 5" locking casters to provide safety when the user does not need to be moved. The seat cut-out provides comfort and allows the chair to be positioned over a standard toilet. The optional 22" wheels can be propelled by the user for greater independence.