Made of paper, non, , safe. Heat resistance up to 446 ℉ /230 ℃, for perfect for toaster oven, tortilla press, cheesecake pan and so on. 100 x Baking Paper Liners. Material: paper. Due to many factors (such as the brightness of the display and the brightness of the light), the actual color of the item may be slightly different from the picture displayed on the website.