"Quickly and efficiently frost whole cakes and cake layers like a pro! This handy cake icing set includes the #789 stainless steel extra large icing tip, which features a wide opening with both flat and serrated edges. Use either edge to swiftly cover the sides and tops of cakes with an ample ribbon of frosting. Five sturdy, clear disposable icing bags are included for convenience, and no coupler is required with this special decorating tip. Handwashing the icing tip is recommended, and the bags can simply be tossed in the trash for easy cleanup. Contents: #789 extra large icing tip, 5 disposable icing bags (18"")"