The Commode Shower Chair S900 is a shower chair specially coated with rust inhibitors to maintain its durability, stability, and appearance through repeated use. Its ivory white folding frame is made of a treated aluminum alloy to resist corrosion and can be folded down to a compact state for easy storage.. The S900 sports four 5" x 1¼" casters to offer robust shower support at a much narrower width than chairs with large rear wheels. Bathe with confidence and comfort with features such as: