Dworth Professional Non-Stick Cookie Silicone Baking Mat - Food Grade Pastry Mat - Set Of 3 Non-Stick, unnecessary to brush oil; a mat to be used to steam and bake food. Dworth baking mat provide consistent heat distribution and promotes even baking and browning, it won't move around when you're using it to roll or measure dough, and your goodies will never end up stuck to it. Measure: 12 x 16 inch half-sheet size baking mat will turn your pan into a non-stick surface, is especially great for working with sticky materials such as gooey dough, taffy, caramel, or anything your imagination allows. Material: Dworth baking mat use of surface coating food grade silicone, the material is a high quality polyester fiber Withstands temperatures from -40 degree to 480 degree F (-40 degree to 249 degree C). Safety: Made of fiberglass mesh and the highest quality, FDA and LFGB approved materials,conform to US regulations on food grade silicone.