THREE SIZES FOR VARIOUS NEEDS - The cooking sheet set includes 3 oven pans, a quarter baking sheet inner sizes:11.5x8x0.8in, outer sizes:13x9x0.8in; a jelly roll cookie pan inner sizes:13x9x0.7in, outer sizes:15x10.5x0.7in; and the half sheet pan inner sizes:15x10x0.8in, outer size:17x11.5x0.8in.
