Aluminum Foil Baking Cups - These muffin cups are made of recyclable eco- friendly aluminium foil, Strong and sturdy and safe to use, Not flimsy or thin and grease- liners. Grease No More - These cupcake sleeves are engineered to perfection so that grease doesn't affect the taste and that moisture is retained all throughout the cooking process. which enable the food stand well, effectively prevent oil & food splashing that brings for baking Widely use - Economical to use aluminum foil muffin cups that are cheap and can accommodate your serving needs. These foil baking cups are excellent for catering for a large event, be it a birthday, anniversary, wedding, business conference, baby shower, holiday party or other special occasions.