1/3pcs Kitchen Bathroom Basin Trim Bath Sink Hole Round Overflow Drain Cap Cover Overflow Ring Hollow Wash Basin Overflow Ring Description: Features: 100% brand new adn high quality. With high-quality plastic, will not scratch the wash basins. Silver plated double ring, and the colors are very harmonious faucet. Easy accessibility, without any tools, just hand you can install the overflow hole. Applies to all types of wash basin. Is a great choice for home decoration. Specifications: Material: Plastic Technology: Electroplating Color: Silver 3 Types for you to choose:1#, 2#, 3# Quantity: 1Pc The mounting hole Dia : About 22mm The Outer DiaAbout 29mm (style 1) /30mm (style 2) / 55mm (style 3) The hight17mm (style 1) / 16mm (style 2) / 15mm (style 3) Package Included: Package 1pc x Overflow ring