NOT SUITABLE FOR ROUGH OR TEXTURED SURFACES: For best results, mount Flex Gel-Lock on flat surfaces such as glass or smooth titles PATENTED GEL-LOCK TECHNOLOGY: Our patented Gel-Lock Technology allows you to lock the suction cups into place, activating a vacuum seal for an extreme hold that lasts BATHROOM ORGANIZER: Flex Double Shower Hook allows you to neatly hang loofahs, washcloths or a razor, ideal for shower stalls with limited storage; measures 2 ½ x 3 x 2 ½ inches RUST-PROOF & EASY TO CLEAN: Flex Shower Bin is rust-proof and made from durable polypropylene that’s been tested for strength and longevity; integrated drainage holes prevent water from pooling, which helps keep the caddy clean 5-YEAR MANUFACTURER WARRANTY: Shop with confidence knowing that all Umbra products are backed by a 5-Year Manufacturer Warranty