Oneida® 10" x 15" Medium Cookie Sheet. Professional series. Lifetime warranty. Premium non-stick coating. Professional weight. Heats evenly. Bonus recipe included! 25cm x 38cm. Oneida bakeware warranty. Each piece of Oneida bakeware and its nonstick surface is warranted for life from date of original purchase against original defects in workmanship and materials, excluding damage caused by misuses, abuse or failure to adhere to instructions provided. If any piece fails to conform to this warranty, please call Bradshaw International at 1-800-878-0196. At their option, Bradshaw International will replace (with an equivalent piece if the original design is no longer available) the nonconforming piece. Warranty claims must be accompanied by proof of purchase and addressed to: Bradshaw International, Inc., Rancho Cucamonga, CA 91730. This initiative is added value to consumer rights protected under current applicable law. The trademark Oneida is used under a license from: Oneida Ltd., Oneida, New York 13421-2829.