Easy to use. No tools required. . Comes with two sizes of silicone rings: 1.56, 1.65 to fits any standard sink drain. When to clean, simply pick up the hair catcher, and wipe off hair and debris. No more messes and chemicals to damage your drain. (Pls measure your drain before purchasing. Fits any 1.25 to 1.65 Wide tub drain and a depth of at least 1.2") Perfect Compatibility: Our universal bathroom sink stopper fits most sink drain holes. (inner diameter 32mm-42mm/1.25inch-1.65inch) So it can be used the washbasin, bathroom sink drain. Please be sure to measure the drain hole of the sink before purchase. [Perfect Compatibility] Universal bathroom bathtub stopper fits 99% of standard tub drain, with your choice of 2 silicone gaskets to fit your existing 1.25 in to 1.65 in (32mm-42mm) bath drain hole.The depth of the drain-hole must be no less than 1.25 inch (32 mm). [Be sure to measure your drain size before purchasing] [High Quality] The latest tub drain stopper, tub plug for bathtub is all made of high quality solid brass and chrome plating technology, which can prevent rust and crack, increase the sturdiness and durability. The bath tub stopper is stylishly designed to add a modern aesthetic to your bathtub. [Hassle-Free Installation] This bathtub strainer, just insert it into the bath tub drain plug hole to complete the installation. If you want to clean the bathtub plug drain stopper, you can take out the plug, split it into three parts for cleaning, and then put it back in place.