Universal installation size: washbasin plug with standard G1 "connection, perfect for all standard sinks. This drain valve is not only suitable for families but also for various bathrooms and toilets such as restaurants, bars and hotels.This uses a high-quality printing spring with good jumping performance, the chrome-plated and robust copper surface effectively prevents corrosion and rust, slows the aging rate.Selected, high-quality silicone material, soft, longer ageing behaviour, anti-drying properties and higher sealing to prevent water leakage. The double seal can close and open the water at lightning speed.Easy to clean: you can easily unscrew the top pressure stopper on the drain pipe and clean with a cloth such as hair and dirt. Installation and disassembly in a few easy steps in 10 seconds!Basin stopper with simple and practical accessories makes installation very easy, even women should not worry. No tools, just a few steps for installation! (Note: you can install according to the installation steps in the user manual)Specifications:Seals Material: SiliconeMaterial: Copper case Has good corrosion resistance.Installation Size:1-1 / 4 inchesCleaning: screw the pop-up head counterclockwise and take it out for cleaning.Box contents:1 x drain set.1 x User Manual