Crown Muffin Pan, holds (20) 3-1/2" dia. large muffins, 4 rows of 5, 17-7/8" x 25-7/8" OA, glazed aluminized steel. 3-1/2" top, inside. 2-1/16" bottom,outside. Vertical depth 1-15/16". 4-1/8/4-1/8" centers.