Designed to meet hygiene standards. The MATFER polycarbonate decorating tips are unbreakable and do not lose their shape. Transparent material makes it easy to spot air bubbles. They can be used with both nylon pastry bags as well as disposable pastry bags due to their large support roll. SET OF 24 DECORATING TIPS – POLY CARBONATE 12 plain (numbers U1-U12), 10 scalloped (A6, A8, B6, B8, C6, C8, D6, D8, E6, E8). 1 #2 leaf and 1 tube for yule logs.