MagiDeal 100pcs Flat Bottle Caps Linerless Flattened No Liners Mixed Color This is a Great Fun Craft Project for Kids and Adults. Birthday Party Favors - Make Them At The Party Fun Project for Yourself: Mixed Media Art, Altered Art, Earrings, Necklaces, Key Chains, Zipper Pulls, Charms, Resale. Beautiful print on it. Round 1 inch center with no rubber liners