The 21-Piece Cupcake Decorating Starter Set by Celebrate It™ is a versatile and colorful set perfect for all occasions. Made of metal, the set includes piping bags with 7 different hole sizes, as well as a crimping head for creating beautifully decorated cupcakes. The set also features a multicolor design and a compact size of 8 inches in length, 12 inches in height, and 1.2 inches in width. With a theme of cupcakes, this set is ideal for adding a touch of creativity to your baked goods.