Patented design allows the shelf to snap onto any shower door bar or towel/shampoo rack securely. The item comes with three sets of legs (Regular, Wide, and Extra wide) so it’ll work with almost any towel rack or bar. The upscale design keeps everything in place and organized. Perfect extra storage for all bath products (shampoo, shaving cream, lotions, soaps, etc). Also has slots for toothbrushes, razors, loofahs, etc.