When you want chocolate and vanilla at the same time - create half `n half cupcakes. It's so easy with this cupcake divider pan set. No more messing around with individual cupcake dividers which take time and cleaning as you move them from one cavity to the next. Fill all 12 cavities at once. The plastic divider fits over the entire pan so you can fill each flavor of batter into the cavities quickly. When you have filled the cavities, slowly lift out divider before baking. (DO NOT PUT DIVIDER IN OVEN). Nonstick pan creates 12 standard size cupcakes or muffins. Instructions included on packaging. Cavities are 2" base dia. x 1-1/8" deep, 2-1/2" diameter at the top. 16" x 10-1/4".