High Quality Pop Up Sink Stopper: Our sink drain stopper is made of high quality thick 304 stainless steel and brass bounce core. Multi-layer chrome surface makes it durable, scratch resistant and corrosion and rust resistant. In addition, it has good rebound and bounce resistance and can be quickly sealed and drained water with one press. Universal size 34mm-40mm: This water cap filter The sink is applicable to drain holes with an inner diameter of 34mm-38mm, and can be used for various types of drain sinks in the home. We have an additional 40mm gasket, which can be used for 34-40mm drain holes after replacement. Note: Please measure the size/diameter of the drain hole before purchasing. Encrypted anti-clogging basket: This bathroom sink stopper is designed inside with a filter encrypted anti-clogging, which can effectively collect hair, jewelry and other debris to prevent the drain pipe from getting clogged. At the same time, it can be disassembled for cleaning. The sink drain plug can be widely used in bathrooms, sinks and bathtubs. Easy to install and use: Our sink drain plugs can be installed without tools. Simply remove the flip cover from the old sink stopper, then insert our sink stopper to complete the installation. When using, simply press to empty or seal. Say goodbye to the embarrassing old drain plug moment.