Aluminum Foil Mini Baking Cups 3 1/8" For Muffin Cupcake Custard Baking Bake With Dome Lid 20 Sets Dimensions: Top Out: 3 1/8", Top In: 2-13/16", Bottom Diameter : 2-1/8", Depth: 1 1/2" Dome Lid Dimensions: Height: 1 3/8" Capacity: 4 Fl. Oz. 1 pack 20 Sets. (20 Cups 20 Dome Lids) Made of durable aluminum foil. Ideal for muffin, cupcake, sweets and more.