There are different numbers carved on the tool with two movable handles on the ring, so you can make the correct size you want.The mousse mold can be adjusted from 6 to 12 inches, the height is 3.3 inches.This cake pan is made of stainless steel which is durable, corrosion resistant, heat resistant, good toughness, non-stick, food safe and easy to clean.This retractable round ring is great for making cakes, bread, cookies, cookies, chocolate, etc.Lengthen the diameter of the ring before removing it, it is easy to remove without damaging your cake; And please don't put your hand on the edge of the product when you adjust the size or wash the product.These mousse cake baking tools can be applied for chocolate baking, cake decorating, lining rings and molds, framing cake in a fixed shape, or protecting the decoration like icing, frost, or fruits, essential baking tools to use