The product is a set of 3 porcelain emitter plates designed for outdoor use, specifically for gas grills with 2 main burners. These 17-inch grill grates are made of porcelain-enameled iron, with a black color and stainless steel handles. They are suitable for built-in installation and come in a package measuring 17.63x9.53x2.05 inches. The plates are recommended for outdoor cooking and weigh 6.06 pounds each. The Hongso brand ensures quality and durability for grills with a gas cooking system.