500LBS WEIGHT CAPACITY & NON-SLIP: All screws our heavy duty shower chair equipped are 304 stainless steel screws. With a comfy “ height, it’s a perfect shower stool for seniors and bariatric. Shower Chair for Inside Shower: Waterproof/No Maintenance – Shower Stool with Shelf & Handle Weight 400 LBS – Use for Bathrooms/Outdoor – Non-Slip Easy Assemble Bench for Adult/Elderly/Black.