This set makes decorating Christmas cookies easy! Set includes a silicone icing bottle with two tips, ten 12 inch disposable decorating bags, and five decorating tips. Use the bottle to flood cookies with flow icing. Create a wide range of icing effects with the different tips. For outlines, dots, and swirls use round tips #2, 5, or 12. For stars, shells, zigzags and rosettes use star tips #18 or 32.