Material:Copper + Stainless Steel + Silicone; Size:Diameter 33.6-36.9mm; Color:Silver; Feature: Anti Clogging Design2 In 1 Sink stopper and drain strainer New Concept Design, prevent hair and valuables from drainage outlets, prevent unnecessary blockage and loss; High-quality Material The drain stopper is mainly made of quality stainless steel and brass materials, anti-rust, anti-cracking, and integral molding. Good bounces and rebound strength, quickly seal and drain water with a single press; Suitable for 33.6-36.9mm Diameter DrainsPush-button drain can be used for the different types of pops-up filter basket drainer. Suitable for drain holes with an inner diameter of 33.6-36.9mm; Good AirtightnessStructured with a thickened stepped silica-gel gasket, preventing water leakage, prevent the sewer from odor, so you can enjoy the fresh air at home, an annoying problem solved with this simple installation; Easy To Install Just take out the old one and insert the bounces core to complete Install. Anyone can complete this operation. Thickened and e*tended nut allow it to be mounted with bare hands; Easy to Use Install; 1. Remove the Old Pops Up Sink Stopper; 2. Put the Pops-up Drain Filter in the Washbasin; 3. Pops-up by Pressing to Act as a Bathtub/Basin Stopper; 4. Collects Hair, Jewelry, Rings, Dirt; Warm Tip: Only Suitable for 33.6-36.9mm Diameter Drail; Package Include: 1*Universal Wash Basin Bounces Drain Filter; 1*Thickened Silicone Ring