【Universal Sink Stopper Design】The bullet style pop-up drain converter (ID 32mm~42mm) is suitable for almost all German bathroom sinks, and our 2 silicone rings ensure a perfect fit with a variety of drain holes, meeting most German sink drain holes. NOTE: Please make sure to measure the sink drain hole before purchasing. 【Anti-Drain Clogging Design】The bathroom sink strainer has an anti-clogging basket filter inside, which effectively prevents drain clogs such as hair, bracelets, tea leaves, or rings. Simply gently rotate the elastic cap and remove the elastic core to easily clean the hair. 【Premium Brass Drain Stopper】This sink stopper is made of brass and stainless steel, strong and durable, flat and comfortable to the touch. Equipped with a large non-slip silicone O-ring, and can fit perfectly with the sink drain hole under water pressure. The structure is designed with thickened stepped silicone pads to prevent sewer odors. 【Easy to install and 【Easy to Clean】No plumber or tools