Constructed of durable nonstick steel. Dimensions: 17.1L x 11.3W x 1H in.. Product weight: 1.6 lbs.. Oven safe up to 450 degrees. Care instructions: hand wash recommended. You'll fall for the speckled country blue Paula Deen Nonstick Speckled Bakeware Cookie Sheet/Baking Pan. Its nonstick design and heavy steel construction will keep you charmed. Delight in how this cookie sheet bakes! It's safe for use in the oven up to 450 degrees.