compatibility design Our sink drain filter is designed with a small diameter. Two silicone rings ensure a fit with drain holes 34mm40mm (1.34' 1.57'), making it suitable for a wide range of sinks. Anticlogging basket inside Unlike ordinary button drain plugs, the upgraded popup sink drain plug features an anticlogging basket inside that collects hairs and prevents clogging. This design helps keep your pipes clear and prevents the ring from entering the sewer. and durable material The bathroom sink stopper is made of anticracking thickened quality stainless steel and brass. It offers durability, a flat and comfortable finish, a strong structure, and reliable longterm performance without cracking or water leakage. Drained quickly with one click The sink drain plug has a bullet core thrust shape with good rebound strength, allowing quick sealing and drainage with a single press. This design is convenient and fast. It is structured with a thickened stepped silicagel gasket to prevent sewer odor, helping you enjoy a fresh atmosphere at home. Practical use scenarios Daily bathroom use: install in the bathroom sink to catch hair and debris, reducing clogs during routine handwashing and grooming. Guest or shared bathrooms: reliable, easy to operate for multiple users, keeping drains clear with minimal maintenance. Sinks with 3440 mm drain holes: compatible with common sinks that use 34mm40mm drain openings, providing a quick, secure seal and easy drainage.