Non-Stick Blue Silicone Baking Mat, 2 Pack Fits 18" x 13" baking sheets Safe - Constructed of FDA and LFGB-approved materials. BPA and BPP free Versatile - Can be used in the oven, microwave, toaster oven and freezer. Turns any baking sheet into a non-stick surface Saves Money - No need for parchment or wax paper. Silicone is durable and long lasting Withstands temperatures from -40 degree to 480 degree F (-40 degree to 249 degree C)