Design concept: The Royal Gourmet gas and charcoal grill combo is constructed of a heavy duty material. Elegant design together with the heat resistant firebox brings you superior barbecue experience. The grill combo comes with 592 square inches porcelain cast iron grates and 168 square inches stainless steel warming rack, delivering sufficient cooking space. 3 stainless steel burners with 25, 500 btu are durable and excellent in performance. The charcoal grill side provides height-adjustable charcoal pan allowing for the easy control of temperature. The side tables on both sides give you plenty of additional working space. Detailed designs such as built-in thermometer and hooks are handy features making your barbecue more convenient. The grill is easy to move around with its casters and wheels, allowing you to enjoy barbecue anywhere freely. Unfolding side tables on both sides give additional working space. A slide-out ash pan under the charcoal grill side offers easy clean-up. The combination of 2 casters and 2 wheels realizes convenient movement meanwhile provides a sturdy foundation for grilling. The grill lids perform perfectly in heat resistance and can help maintain the heat well.