Description: Metal Aluminum Alloy Baking Nonstick Loaf Tin Material:1.0mm Aluminum Alloy Surface:Teflon Nonstick Model:190g Size: Top inside Diameter:151*67*67mm Base inside Diameter:142*58mm Model:250g Size: Top inside Diameter:180*90*85mm Base inside Diameter:180*90mm Model:300g Size: Top inside Diameter:175*98*98mm Base inside Diameter:170*96mm Model:450g Size: Top inside Diameter:196*106*110mm Base inside Diameter:186*101mm