No-hole installation: The black shower shelf is easy to install and can be mounted on your round tube shower bar very easily without having to drill and damage the wall. The snap-on design allows installation to be completed in minutes. (only for round tubing, not for square tubing) Good compatibility: the black removable shower shelf has 5 sizes of rubber sets, 6 different combinations, suitable for shower rods from 18- 25mm in diameter, the height of the shower shelf can also be adjusted according to personal usage habits, two rotating hooks on the bottom are convenient for hanging beanbags and shower caps, one side of the hanger can be adapted to leading shower heads in the market. Flexible Design: This no-hole shower shelf makes full use of the space around the shower bar without taking up extra space. The shower tray is made of ABS that is completely waterproof, corrosion resistant and does not harbor bacteria, and the whole bottom of the shower shelf has a hollowed-out drainage