Aluminium alloy top. Stainless steel banding. Dual drop down sides shelves. Calibrated top and bottom vents. 2 locking casters. 402 sq. in. Cooking space. Ceramic construction allows for convection cooking and smoking. Prolongs the life of charcoal. Limited lifetime for all ceramic parts, 5 years for all metal parts, 1 year for temperature gauge, gasket, 90-days for side shelves.