Wilton Cookie Decorating Supplies Set, 12-Piece Everything you need to decorate cookies in buttercream or royal icing Illustrated directions included Contains round decorating tips 2 and 4; star decorating tip 14 ; petal decorating tip 102; 8 disposable decorating bags Disposable decorating bags are 12 in. (30.4 cm) Tips are top-rack dishwasher safe; however for best results, wash in warm, soapy water before first and after each use