These cups cake liners are made of food-grade aluminum foil . These aluminum baking foil cups can be directly put into the oven and oven without using the baking pan.small aluminum foil pan with is great for take along for lunch, food storage, condiments, salad , dip, Perfect for school or work lunches, picnics, barbecues, parties, travel, etcThese foil baking cups made of high quality aluminum foil material, The surface is , slightly waterproof and oil-proof, and the cup can withstand a temperature up to 220 degrees Fahrenheit, not easy to deform.The color is and can also be used to distinguish the different sauces in the container. The colorful set can meet the various preferences of adults and childrenDisposable Aluminum Foil Pans, Ramekins, Baking Cups, Muffin Cupcake Liners with is not only cute also easy to open.Capacity:100mlcolor:Photo colorMaterial:aluminum foilsize:29 x 85mmPackage Contents:100 x Tinfoil cupOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.