Commercial Stainless Steel 18-8 From left: Size 12 (12-sheet size) - 1 piece Size 15 (15-sheet size) - 3 pieces Size 18 (18-sheet size) - 1 piece (These are deep types) Size 21 (21-sheet size) - 2 pieces (Shallow type) Total: 7 pieces in a set. Please refer to the photos for the sizes. Regarding deep and shallow types, these are amateur measurements, so please use them as a reference. m(_ _)m Thank you for viewing.