This is a very handy tool to have. It stays in place very well and blocks all the particles that are too large to go down the drain without clogging it. This set is made of sponge, so it is soft and great for use in the bathtub. And it is good at trapping hair while water come trough. If you are so worry about your washbasin strain get clogged, this sponge sink strainer will help you out of this trouble. If your sink strainer is pop up style, please check the bearing size.