Metal decorating tip no. 21 from Wilton. Star tips are decorators' most popular tips. Their intricate shapes are baroque and sculptural and give an ornamental nature to decorations. Plus, they can quickly give a cake a pretty look. They vary by the number of teeth, their greater or lesser bend into the opening, and the diameter of this opening. Their most important mission is to pipe borders, of which an almost infinite number can be created. As all decorators know, a border constitutes much more than just the edge of a cake. The rhythmic curves of skillfully made borders can often be the sole decoration for outstanding cakes. Diameter: 0.75cm Metal decorating tip no. 12 from Wilton. Round tips are mainly used for decorating fine lines, writing, creating small beads, etc. Diameter: 0.56cm This product is not suitable for the dishwasher. Decorating tip can be used with standard decorating bags and couplers. This product is not suitable for the dishwasher.