Standard size baking cups can also be called muffin cups, cupcake papers, cupcake liners, and party cups. The standard size for these cups is 2" diameter across the bottom of the cup and 1 1/4" tall wall. Baking cups which are now available in a beautiful array of colors are great for making cupcakes, muffins and filling with candies or other treats! You'll find Christmas cupcake liners, Easter cupcake liners, Halloween cupcake liners, graduation cupcake liners, Valantine cupcake liners and more! We carry tulip baking cups (tulip cupcake liners).