Angel food pan with a 16 cup capacity, 9-5/8 in. top inside diameter, 8.5 in. bottom diameter, 4-1/8 in. high, 5.25 in. high center tube and 1.5 in. long feet. Medium weight aluminum. Loose Bottom Tube Pans can leak with lighter batters. We recommend using foil to wrap the bottom on the outside, so that it reaches an inch or two up the side, and keeps your oven clean.