CO-Z 50 pcs Lace Cupcake Wrappers - Laser Cut Liner Cupcake Collars Decorative Paper (blue) Top Diameter: 3.2". Bottom Diameter: 2". Height: 2.2" Designed to decorate the cupcakes or muffins after they are baked. Cant be put into the oven. Made of elegant hollow-out art paper with delicate details.