The Carlisle 071029 7" Hinged Tortilla Server is made from insulated polypropylene plastic designed to keep tortillas at the correct serving temperature for table top service. The integrated hinge allows for one handed operation and eliminates the problem of losing lids. The traditional Aztec design is at home in any Mexican restaurant.The tortilla servers are microwave safe for convenient warming. They are dishwasher safe and can withstand temperatures up to 190 degrees F. They are stackable for efficient storage.The 071029 tortilla server is BPA free and certified by the National Sanitation Foundation. It is made in the USA and recyclable.