Fat Daddio's 20-Piece Large Polycarbonate Pastry Tube Set with Hinged Box Manufactured from high density polycarbonate plastic; Packaged in reusable hinged plastic storage box Seamless design ensures they never lose their shape Transparent color allow you to see any air bubbles Works with any bag; 100-percent dishwasher safe Set includes- 1/2/3/4/5/11/12/13/14/15/6/7/8/9/10/16/17/18/19/20