All the trays have a dual layer silicone non-stick coating for easy and clean roasting Get a set of 3 oven tray of the same size Or get a set of three oven trays of different sizes Get a set of two oven baking trays and matching roasting tin For full size specifications see full details Buying Options:  9.99 pounds instead of 29.99 pounds for 3 x Trays (One Size) - save 67% 11.99 pounds instead of 32.99 pounds for 3 x Trays (S, M and L sizes) - save 64% 12.99 pounds instead of 34.99 pounds for 2 x Oven Trays + 1 Roasting Tin - save 63%