* Environment Friendly Products * Unbleached Totally Chlorine-Free (TCF) * Kosher * First FSC Certified If You Care FSC Certified Unbleached Parchment Baking Sheets are made from FSC certified premium quality, unbleached, greaseproof paper. As no chlorine is used for bleaching, no chlorine is dumped into our lakes, rivers and streams. What is Silicone? Our Parchment Baking Sheets are coated with Silicone, which is derived from Silicon, a natural element found in sand, quartz and rock. After oxygen, it is the most abundant element on earth. Silicone is non-toxic when incinerated. It is the most environmentally friendly non-stick surface and the most effective non-stick surface. What is Quilon? Some Parchment baking sheets are coated with Quilon which contains Chromium, a heavy metal, which can leave toxic trace elements when incinerated. Baking and Cooking If You Care FSC Certified Unbleached Parchment Baking Sheets are perfect for baking and cooking. No greasing is necessary, sparing additional fat and calories, while saving time. This paper won"t affect the taste of baked goods. It is microwave safe and oven proof up to 428°F/220°C. Sheets can be re-used.