PROFESSIONAL GRADE MAT - When baking, pair these mats with standard half-size cookie sheets or bun pans. This is a pack of two half-size silicone cookie sheet liners. Each baking mat measures 16.5x10.6inch. Mat thickness is 0.7 mm (approx. 1/34 ). Our brilliant bakeware can stand temperatures from freezing up to 480F . SAFE HEALTHY COOKING Mats are composed of food grade approved materials and are BPA free. Freezer, microwave, and oven-safe. Replace disposable parchment, wax paper, and tin foil with these reusable mats. Ideal for healthy cooking, use a mat without added cooking oils, butter or sprays. Cooked foods literally slide off. NON- STICK EASY TO CLEAN - Our baking mats not only prevent messes, catch drips and spill-over from bubbling casseroles or pies, but are easy to clean Forget about scrubbing baked-on foods, and save time and effort with these non-stick mats, as they wipe clean quickly and easily with soap and water. They are also dishwasher safe (top rack only). MULTI-PURPOSE - These eco-friendly, non-stick silicone liner sheets can be reused, eliminating the need for butter, oil, unhealthy sprays or the waste of using parchment paper and foil to cover your baking and cooking surface. Perfect for baking, kneading, rolling, candy / macaron / pastry / cookie / bun / bread making as well as for freezing. ROLLS UP FOR EASY STORAGE - The silicone baking mats can be laid flat or rolled and stored in the cabinet or drawer to save space for other utensils. Best to hand wash with soapy water and dry thoroughly to clean.