I’m almost sure my wife never used this, but I’m calling it used. The Pampered Chef Stoneware Cookie Sheet is a rectangular baking stone pan made of beige stoneware, measuring 15" in length and 12" in width, with a height of 3/8". This set includes a bakestone, making it a versatile addition to any kitchen for baking cookies, brownies, and other treats. The high-quality material and durable construction of this cookie sheet ensure even cooking and easy clean-up, making it a reliable and practical baking essential for any home chef.