[ design, wide application]This drain fitting is optimised and improved based on ordinary drains. It is suitable for drainage holes with an inner diameter of 34 mm - 36 mm (1.34 - 1.4 in), to avoid common problems such as inconsistent size and insufficient fit. It is suitable for most households. Made of stainless steel and brass, rust protection and : drain fitting basin is made of stainless steel and brass and is shaped in one piece to effectively prevent rust and from domestic waste water and oil stains. Comes with a thickened silicone seal. Quick installation in 3 seconds: you just need to pull out the original drain plug by hand, insert our sink plug and the spring switch to easily complete sealing and filtering. No tools, installation and disassembly can be completed in 3 seconds, making life easier and more convenient. -up valve: the sink plug can prevent the sewage duct from sticking and prevent the formation of a special odour. It does not tip over when you the button, so you don't have to worry about sealing and emptying. Two black silicone seals can maintain stability to improve leak resistance. Built-in filter: unlike conventional drains, this sink is equipped with an anti-clogging basket filter that is suitable for cleaning dirt and can prevent jewels, rings, dirt and other items from entering the drain pipe to avoid clogging of the drain pipe. Material: Stainless steel color: Gold Package Contents:1 x sink plug Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.