PLEASE NOTE: THIS ITEM CANNOT SHIP VIA 3-DAY DELIVERY. All seats and backs are 10" wide anodized aluminum planks with endcaps. Frames are heavy duty 2 3/8" O.D. galvanized steel providing superior support to aluminum frames. All styles available in 8', 15' and 21' lengths. Freight to Hawaii or Alaska, as well as expedited shipping costs, will be quoted to you by email for your approval before the order ships. Please note that this item cannot be shipped internationally.