Ventilation holes: The Stainless Steel Tart Rings with evenly distributed ventilation holes ensure no leakage. And the outer diameter of tart rings is 8cm. Feature: The Muffin Rings with beautiful round appearance and smooth edge are easy and convenient to use, and it is also a perfect. Wide application: The Round Tart Rings Kit is suitable for making pies, cakes, mousses and desserts. Material: The Baking Tart Rings Mould made of rustproof and sturdy stainless steel is reusable,corrosion resistant and high temperature resistant. You will get: The package includes 10 Tart Rings in total to meet your usage needs.Thus you can enjoy baking time with your families.