Aluminum Alloy 5-Level Adjustable Our collapsible shower chair can be adjusted for 5 heights from 15.4 -19.3 (height from ground to seat), suitable for most people. Please keep 4 legs at same height to prevent toppling. 275 LB Weight Capacity The heavy duty shower chair is made of thickened high-density aluminum alloy, the aluminum frame is lightweight, durable, corrosion-resistant, waterproof, and can withstand 275 lbs. It can help people with limited mobility, such as the elderly, disabled, obese patients and pregnant women, to enjoy more convenience in bathing. Foldable This shower chair with arms can be quickly folded for easy use and storage, saving you more space. Double lock design, rejecting hidden dangers such as automatic folding of the chair.