Shower Bench with Storage Shelf, HDPE Material Waterproof, Bathtub Side Table, Suitable for Bathroom Shower Stool, Suitable for All Ages, 19.3x11.8x17.3 Inches (Black) : Amazon.co.uk: Home & Kitchen
How to Waterproof a Shower Bench | DIY Shower Bench
ZHUOYUE Bamboo Shower Stool Bench Waterproof with Storage Shelf for Shaving Legs or Spa Bath Seat in Bathroom & Inside Shower for Adults Seniors Elderly (24 x 13.4 x 18.5 inches+Black) :
Wabjtam Shower Chair Pad Bath Seat Cushion Anti Skid, Cover Bathroom Tub Transfer Bench, Stickable Waterproof Soft Foam Fit Bath Chair For Elderly | Fruugo UK