garbage disposal basket strainer with decorative flange design for your white kitchen sink/ white granite sink/ white ceramic sink/ white faucets, which no need to change your flange. Very easy to install without tool. Fits for 31/2inch Amalican standard kitchen sink drain opening, matching color of granite and fireclay sinks. This item might not fit very well for some thin stainless steel kitchen sinks, if it does not fit for your kitchen sink or you are not satisfied with this product, you can apply for a full refund within 30 days from the date of received. you can apply for a full refund within 30 days from the date of received. You can rest assured to buy. Note: 1. Item would fit for your metal flange which inner diameter is 3.29""(83.5mm) to 3.4""(86.5mm). Please measure the inside diameter of your metal flange before purchase. 2. The decorative disposal flange would cover on your metal flange to add your sink decor. It can't replace your metal flange.