Our cups are made from environmentally friendly food grade aluminum foil and are safe for children and adults. These muffin cups are made of high-quality aluminum foil and are strong and sturdy. Put them in the oven and bake directly. No need for baking trays. The non-stick aluminum foil Rami Gold Cup is Perfect for indoor and outdoor use, picnics, camping, cooking and more. With these fast-discarding foil cups, you don't have to spend a lot of time washing dishes after a party or a big celebration. Baking will bring you more fun and life will be rich and colorful. This special aluminum foil material makes the surface of look bright and glamorous. Colour:Silver Material:Laminating paper Size:5*4cm Package Contents: 50* rolled cake cups 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.