Includes: 17" x 12" Sheet pan;15" x 10" Sheet pan; 13" x 9" Sheet pan Measurements: 17" x 12" Sheet Pan - Approx. 17-1/2"L x 12-1/2"W x 1"H; 15" x 10" Sheet Pan - Approx. 15-1/2"L x 10-1/2"W x 1"H; 13" x 9" Sheet Pan - Approx. 13-1/2"L x 9-1/2"W x 1"H Material Composition: Carbon steel with Dura-Bake nonstick coating Provides premium food release when baking and easy cleanup; 8 times stronger than unreinforced nonsticks Carbon steel construction - Durable bodies; Dishwasher safe