Pipe beautiful decorations with ease and accuracy using these disposable piping bags. 18" Piping Bags are a medium, multi-layer disposable bags for piping cold or room temperature mixtures. The bags are flexible, easy to grip when filled, and can be cut with scissors to the desired diameter or fitted with a pastry tip for clean, accurate results. They are ideal for piping buttercream, frosting, mousse, Pommes Duchesse, or dumplings like matzo.