Hawsam 2 Packs No Drilling Shower Shelf Caddy for Shower Rail, Newly Upgraded Model-Universal Installation Size Bushing, Bathroom Rack Organizer Holder for Shampoo, fit 18mm-25mm Rail
£22.99Install shower shelf on your shower rod, no need to drill holes on the wall (Note: The shower shelf only fits round shower rods, not square ones)