ENVIRONMENTAL PROTECTION - The cups are made of environmentally friendly recyclable aluminum foil materials. It is made of safe material, no peculiar smell, no leakage of dyes, health and safety for children and adults, hard texture, not easy to deform, and strong sense of shape. NO BAKING TRAY REQUIRED - Aluminum foil cupcake liner has excellent thermal conductivity, is safe to use in the oven, and can withstand the approved high temperature. It can still be used safely at high temperatures of 428/220. Water-proof, oil-proof, non-sticky, high temperature resistant, beautiful in color, and easy to release. Put them in the oven and bake them directly. No baking pan is needed. EASILY TAKE OUT THE CAKE - just pull up the round upper edge of the cup, and then tear open the cup until the cup expands into a piece of paper. Finally, you can easily take out the cupcake without damaging your delicious cake. TO MICROWAVE - It cannot be used in microwave as a metal material. But baking in an oven is also possible, the maximum temperature is 220, the baking time is 20 minutes. MULTI- - The environmentally friendly non-stick aluminum foil is used to bake cakes, muffins, puddings, and small for parties. It is your for dressing up birthdays, weddings, holiday parties, baby showers and other themed parties. colour: silver Material: aluminum foil Size: 7x4cm Package Contents: 50 x Cake cup 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.