Stick Well with Suction Cup: The new style drain hair catcher equip with suction cup. Strong suction cup allow the drain hair catcher sticking well to the tiles on the shower floor.^ Easy to Install andn Remove: Put the drain hair catcher in the corresponding sink or tiles. Press the corners of the four sides to stick them. While removing, just grab the clump out of the catcher^ Effective Filter Residue Solution: These hair catchers for the shower are easy to clean and dry. These drain catchers are FAR more efficient in catching hair before they enter the drain and collect into a large clump of whatever it is they clump up into. ^ Widely Used Square Drain Cover : The catcher can be used in kitchen sink to stop food bits going down plug hole, or used in bath/shower to trap hairs, make your drain keep smooth and clean. Suitable for bathroom, laundry, bathtub, kitchen etc.^ Warm Tips: Requires the drain must be flat with no raised obstructions. Otherwise it can't be suction. Size: square,5.51*5.51*0.04in, Fits all of less than 4.7*4.7inch outlet of sinks, showers or tubs drain. ^