The 11.5 x 17-inch Half Sheet pan is perfectly suited for baking cookies and pastries, roasting vegetables and meats and warming foods. This must have tool will enhance your cooking experience with its multifunctional use Tri-Ply construction evenly conducts heat for consistent results, while the professional quality, heavy gauge materials resist warping Made from bonding durable stainless steel with aluminum, this bakeware is built to take the heat - resulting in golden edges and that just-right crisp Polished stainless-steel interior provides a beautiful mirror like finish with a brushed exterior that will look and perform great through years of baking. It’s durable enough for use with metal utensils and the integrated handles provide a secure grip Backed by All-Clad's Limited Lifetime Warranty. With a high heat tolerance, it is oven and broiler safe up to 600°F. Handwashing is recommended.​ Designed in Canonsburg, PA - USA, Made in China