1.Made of high quality stainless steel, it is not easy to rust, , smooth ,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:304 stainless steel Size:10cm Package Contents: 40 x tart rings Only the above package content, other products are not included. Note: Light reflection 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.