This is an ASI 28"x14" folding shower bench that is ADA compliant.
This was mounted in a mock up room for a Hospital we built and has never been used (except for having shower run over it)
Mount: Wall / Surface, Exposed
Frame Material: Stainless Steel
Seat Material: Phenolic
Capacity: 250 lbs. (Tested to 500 lbs. See comments.)
Operation: Fold down (flip up when not in use)
Net Weight: 19.6 lbs.
Shipping Dimensions: 30" Length x 18.5" Width x 5" Height
Comments: ASI Shower Seats are designed to meet and exceed 2010 ADA Accessibility Standards and ANSI A117.1 that fabricated product shall be of adequate strength to support a load of 250 pounds (113.4 kg) and unit shall conform to size and edge clearances as diagrammed.
You can download manual and installation instructions from Manuf web site.