The Surprise Is Inside! Easily enhance muffins, cupcakes or rolls with this ingenious baking pan. Push fruit, candy, cheese or veggies onto the spikes, fill with batter until covered, and bake. Perfect for unique holiday treats or making an everyday meal special. Heavy duty, nonstick carbon steel. Hand wash. 13 3/4"L x 10 1/2"W. Each cupcake well 2 3/4"dia.