Big Green Egg is the world's largest producer and international distributor of kamado grills. Their tagline "the ultimate cooking experience" drives their R&D specialists to keep looking for ways to make the Big Green Egg even better. There are seven grill sizes to meet everyones specific need. The type of ceramic they use is based upon materials initially developed by NASA for their space program. Big Green Egg offers a very extensive collection of accessories, or as they call them, "Eggcessories". They also offer six unique seasonings and four custom made BBQ sauces to enhance "the ultimate cooking experience".