Comfort and stability abound with the Helinox Chair One and Ground Sheet bundle. Includes one Helinox Chair One Original Lightweight, Compact, Collapsible Camping Chair and one Helinox Ground Sheet. The chair frame is constructed from advanced proprietary aluminum alloy to provide maximum strength at a minimum weight, and hold up to 320 pounds. Adding the Ground Sheet levels the load and prevents the chair from sinking into soft or uneven ground. The Ground Sheet measures 14.5 x 12.5 inches open. Chair assembly is simple and fast with a single internal bungee cord that assembles poles; assembled chair measures 21.5W x 20D x 25.5H inches, seat height is 10 inches. Easy-to-attach Ground Sheet features a center strap tat secures the sheet to the chair frame, while chair feet slide into corner pockets. Chair weighs 2.10 pounds and measures 4 x 4.5 x 14 inches packed in included bag; ground sheet weighs 5 ounces. Manufacturer’s five-year warranty