Artisan Style Non-stick Silicone Baking Mat, 16 5/8 X 11 Fits half size baking sheets 18"x13". Eliminate sprays, oils, butter and parchment paper naturally Durable and long lasting with unique ROUNDED CORNERS for better fit in baking pans FDA & LFGB approved silicone, BPA & BPP free  Use in oven, microwave, freezer (-40F  480F) Even heat distribution for perfect baking, and flavors and odors will not penetrate the baking mats Easy cleanup and care  mild dish soap, rinse, air-dry OR top rack of dishwasher