CSI Bathware 22 in. x 16 in. Rectangular, Phenolic Slatted Folding Shower Seat with Adjustable Legs in White - ADA Compliant SEA-SD2216-NH-PH - The Home Depot
18" x 15" Fold up Shower Seat, Brushed Stainless Frame - Various colors
Amazon.com: Shower Seats for Elderly Wall Mounted, Foldable Heavy Duty Shower Stool for Adults and Shower Assist Grab Bar, Portable Folding Bathtub Chairs, Non-Slip Safety,Whitea : Health & Household