FOOD SAFE BAKING MATS: Our macaron mats made of food grade silicone, BPA Free, soft flexible and waterproof, Temperature Range is -40 to 446 (-40 to 230). You can put them in the microwave, oven, refrigerator, freezer and dishwasher. NON-STICK & EASY TO CLEAN:The macaron baking sheet are non-stick and good flexibility, which can be baked multiple times in a short period of time. without additional tools, and is easy to clean. YUMMY TREATS: The macaron cookie mats can help you create delicious macrons. 48 capacity can help you achieve batch production, in addition to used for baking macarons, cookies, pastries, even can be used for baking sticky caramel, sticky bread and other amazing creations. DETAIL-DESIGN: Fixed ring design allows your macarons to be of the same size, providing even heat to each macaron, enabling even beginners to make them to a professional level