This set of 18 cookie and sandwich cutters is made of silver metal in various shapes and sizes. While the tin states it includes 12 cutters, the seller confirms it actually contains 18 pieces. The cutters are designed in various patterns and are suitable for all occasions, making them a versatile addition to any baking collection. Perfect for creating beautifully shaped cookies and sandwiches, this set is a must-have for any home baker looking to add some creativity to their baking projects.