PERFECT COMPATIBILITY: Our 2022 new sink drains strainers can be used for 99% of sink drain holes. (Inner diameter 34mm-40mm (1.33inch-1.57inch)) Not matter basin, bathroom sink drains or shower bathtub drains, it can work with all. NOTE: Make sure your sink drain is straight through or greater than 1.67 inches height. 2023 UPGRADED DESIGN: The bathroom sink stopper is more convenient and useful than regular sink stopper. Upgraded pop-up sink drain plug has an anti-clogging basket inside that can prevent the sewer from stuck of hairs. In addition, it comes with anti-slip rubber mat and rubber rings to prevent water leakage. New upgraded pop up basin plug hole replacement bathroom kitchen sink plug. EASY TO INSTALL: Anyone can install the pop-up drain because of its simple structure, no tools are needed, just take out the old one and insert it to complete it. TWO MODE SWITCH: Improved extra stable compression spring is made of pure brass with good rebound resistance. Just press the top cap down gently to switch 2 modes stopper (to keep water) and strainer (to drain off water) PREMIUM MATERIAL: The cover features A-class brass and multilayer chrome finish, efficiently resistant to scratches, corrosion and rust. Good rebound strength, quickly seal and drain water with a single press. Suitable for kitchen bathroom basin plug hole replacement sink plug replacement.