The perfect cookie baking set, at a terrific value. The set is made of heavy-gauge steel cookie/jelly roll cookie pans for even baking and browning. Non-stick surface ensures effortless release and easy clean-up. Flexible mat in silicone-coated fiberglass turns any pan into an easy-release, non-stick baking surface. Use in place of parchment to help prevent burning. May be placed directly on oven or cooling rack. Mat cleans up in the dishwasher, rolls up for compact storage. Baking mat is also ideal for mixing and rolling dough like puff pastry dough, or beating, like savarin dough, or creating forms or decorations with chocolate sugar and nougatine. There"s even a cooling rack to complete the set. Set includes: Two 11 by 17-inch rolled edge baking sheet, 15 by 11-inch silicone baking mat, cooling rack. Dishwasher Safe.