Material: Made of high quality Stainless Steel. Dimensions :5 Pack Grill Flavor bars: 15.3" L x 2.6" W x 2.5" H ,2 Pack Cooking Grates:17.5" x 11.9" for each, 17.5" x 23.8" for total.Please make sure you your original parts and compare with ours size before your order. Fits:Replacement for Weber Spirit 300 series gas grills with Front-mounted control panel (model year 2013 and newer): Spirit E-310, Spirit E-320, Spirit E-330, Spirit S-310, Spirit S-320, Spirit S-330 Gas Grills. Fits:For Weber Weber 46410674, 46510001, 47510001, 46710001, 46500401, 46700401, 47700401, 46513101, 47513101, 46810001, 46800401, 47800401. DON'T Fits: Weber Spirit 300 series gas grills with Side Knob Control. Package?5 Pack Grill Flavor bars+2 Pack Cooking Grates