A must-have for restaurants, this versatile and durable 18" By 26" Aluminum sheet pan can be used to prepare Just about any food. Designed for professional use, this bakeware Product is made with 18-gauge heavy duty 3003 Aluminum, and is certified by the NSF. ; Dimensions: measures 18" Wide by 26" Long by 1" Tall; versatile and durable: Made with 18-gauge heavy duty 3003 aluminum; closed bead reinforced by rust-proof rod; certified by nsf; professional quality.