The 150155 Exoglass 2 inch Plain Pastry Cutter is made of a composite material developed by Matfer. Material is nonporous, dishwasher safe and can be sterilized. Its cutting edge is as durable as any long life cutters. They are easy to clean being of a single piece and provide a comfortable grip due to their rounded tops. Exoglass does not lose its original shape. 50mm, 2 inch.