Cookie Sheet, Medium, 15 x 10 inPremium nonstick. E-Z release nonstick. Metal spatula safe. Commercial weight. Lifetime guarantee. Thank you for choosing our goodcook baking pan. goodcook products are tested in kitchens like yours because we understand the quality of bakeware you use is just as important as the quality of your ingredients. And we think you'll love the results you get from baking with our durable, premium non-stick bakeware. Lifetime Guarantee: goodcook products are guaranteed to meet your satisfaction. www.goodcook.com. Made in China.