Parchment paper is a nonstick and heat resistant paper that has been treated with acid and coated with silicone. This paper is perfect for lining baking sheets for making cookies, using to roll out pies or puff, lining cake pans etc. Parchment paper can be use a couple of times, and it makes clean up a breeze since the pan is left almost completely clean. Any bakers need to have baking paper in their kitchen