Discover our 200 piece heavy - duty flat parchment paper sheets, perfect for all your baking needs Measuring 12 x 16 in. these sheets are made from 100% natural wood pulp, certified by KOSHER and FSC. They are unbleached, fluorescent - free, and feature a food - grade silicone coating on both sides, ensuring a healthy and non - toxic baking surface. The 45 gsm paper is 12% thicker than others, making it greaseproof and waterproof. It's suitable for use in the oven and microwave, whether you're baking cakes, pizza, or cookies. The pre - cut half - sheets eliminate the need for cutting, saving you time and ensuring convenience. These sheets fit standard half - sheet oven pans perfectly. Whether you're an amateur baker or a professional chef, our parchment paper will make your baking experience easier and more enjoyable. Color: White.