Piece of Cake Parties Black Chalkboard Vinyl Decals, Set of 16 Self-Adhesive, easy to apply, just peel and stick Package contains 16 assorted decals, 4 of each of the pictured designs Use chalks or standard chalk ink pen to write and damp cloth to clean Label all of your canisters, jars, glass containers. Labels measure 1.75inches x 1.25 inches.