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 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 bring you more fun and life be rich and colorful. This special aluminum foil material makes the of look bright and glamorous. Colour: Silver Material: Laminating paper Size: 5*4cm Package Contents: 150* rolled cake cups 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.