HIGH QUALITY MATERIAL: The drain plug is made of stainless steel and thickened brass, strong, rustproof and crackproof. Our built-in baskets are surrounded by high-quality double silicone gaskets, which are airtight and effectively prevent water leakage during use. It adopts plug push type rebound core, which has good resilience and can quickly drain and clog water. PERFECT COMPATIBILITY: This new upgraded drain plug is universal stainless steel version and can be used for different types of drains, such as bathroom sinks, tub drains. The inside diameter of the drain plug is 33.5 mm. Fits drain holes 33.6mm to 37mm (1.33 to 1.45) ID. Be sure to measure your sink before purchasing, if you have any questions about fitment, we will provide service. satisfying IMPROVED SPRING DESIGN: The pop-up design of this sink drain subverts the inconvenient way of draining.Simply press the top cover to switch between 2 modes, including drain and clog the drain. Good resistance to rebound and rebound, quick sealing and drainage can be achieved with one click.The device that seals the spring is durable and more responsive when pressed. DETACHABLE AND REASONABLE ANTI-CLOGGING BASKET FILTER DESIGN: there is an anti-clogging basket strainer inside the sink plug, which can prevent the drain from clogging with waste such as hair and grease. lint to achieve porous and efficient filtration.It can also prevent the loss of some o valuables like rings or necklaces. Our built-in baskets can be disassembled and washed at any time, which is convenient and quick. EASY AND QUICK INSTALLATION: No installation tools required. You just need to remove the original drain plug by hand, insert our sink plug and press the spring-loaded switch to easily complete the sealing and filtering. Easy to use, you press once to lock and press again to unlock.