1.Made of high quality stainless steel, it is not easy to rust,Corrosion resistant, smooth surface ,easy to clean and safe for oven and dishwasher. 2.Cake ring has a venting hole design,The clever addition of perforations improves this classic and fundamental mold and the venting holes are evenly distributed and ventilated without leaking 3.perfect for creating tarts, cakes, mousse and desserts. Excellent for baking, layering, and molding. Name:Tart Ring Colour:Silver Material:stainless steel Size:7cm Package Contents: 40 x tart rings Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.