This Bagcraft Papercon Bake 'N' Reuse 030010 parchment paper full size pan liner is made of 100% biodegradable cellulose fibers. They feature a hard pinhole-free surface that resists grease, water and oven browning. Using a Bagcraft Papercon 030010 parchment pan liner to prepare cookies, breads, cakes or other delicious baked goods results in more even baking without scorching. The parchment paper pan liner is designed for quick, easy release to expedite clean up. In addition, this parchment is pre-cut to perfectly fit full size pans, saving you preparation time in a busy kitchen