These heart-shaped cutters are made from thick, rigid plastic that cuts dough precisely for neatly defined shapes in a range of sizes. They're from the French company de Buyer, which has been producing kitchen and pastry essentials for professional chefs since 1830. Set of seven professional-quality heart cutters in sizes from 3/4" to 4 3/4" wide. Rigid plastic slices evenly through dough. Edges won't flex or bend, ensuring well-defined dough edges Cutters nest in a clear plastic box for organized, dust-free storage. Dishwasher safe.