[New design, wide application] This drain fitting is optimized and improved based on standard drains. It fits drainage holes with an inner diameter of 34 mm - 36 mm (1.34 - 1.4 in), ensuring a secure fit and avoiding common issues such as size inconsistency. Suitable for household use. Made of stainless steel and brass with rust and corrosion resistance: The drain fitting is constructed from stainless steel and brass, formed in one piece to effectively resist rust and corrosion from domestic wastewater and oil. Includes a thickened silicone seal. Quick installation in 3 seconds: Simply remove the existing drain plug by hand, insert the new sink plug, and press the switch to complete the installation. Sealing and filtering are achieved instantly. Installation and removal can be completed in 3 seconds, offering convenience and ease of use. Pop-up valve design: The sink plug prevents sewer odors by sealing the drainage pipe and avoids tipping when pressed. Two black silicone seals enhance stability and improve leak resistance. Integrated filter basket: Unlike conventional drains, this sink features an anti-clogging filter basket designed to catch debris and prevent small items such as jewelry, rings, and dirt from entering the drain pipe, helping to avoid blockages. Material: Stainless steel Color: Gold Package Contents: 1 x sink plug Note: Light and display differences may cause slight variations in color between the image and the actual item. Measurement error is +/- 1-3 cm.