Durable aluminum and ceramic bakeware. Stain resistant easy to clean material. Suitable for any baking temperature. Beautiful white style makes dishes ready to serve out of the oven. 17.4W x 11D x .65H in. cookie sheet. This classic Range Kleen CeramaBake Rectangular Cookie Sheet gets an innovative twist from its ceramic coating. This lovely white finish is easy-to-clean and stain-resistant, and it helps food heat evenly for consistent, delicious perfection throughout the batch.