【Widely Usage】This Sponge Buffing polishing wheels is perfect for wheel hubs, fenders, handlebars, bumpers and other hard-to-reach parts, making it easy to use on uneven surfaces of buffing wheels. 【Material】The car wheel polishing kit is made of sponge + plastic material.This Sponge Buffing polishing wheels has a long lifespan, is easy to clean, and can be used over and over again for durability.