These muffin cups are made of thick food-grade aluminum foil,which enable directly without baking tray required.The cupcake baking cups are non-toxic,microwaves and oven safe Just put foil cupcake liners into the oven and bake directly without baking tray required; After eating, just throw to much cleaning time as they are disposable, ideal for a party or baking a batch These mini disposable cupcake pans with lids and spoons are great and outdoor usage such as birthday party, wedding,baby shower,thanksgiving,Christmas and ,etc.holiday celebration,And picnic, camping and other activities. Also ideal for restaurants, , chef,and other catering venues. Aluminum cupcake pans are for indoors and outdoors, suitable to make cupcakes, puddings, brulee, souffle and other foods on birthday parties, weddings, ceremonies and so on, which can bring your families and guests desserts. Material: aluminium colour: gold Package Contents: 150 x Aluminum Foil 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.