Ground sheet camping chair accessory for leveling the load and preventing sinking into soft or uneven ground Compatible with the Chair Zero; increases comfort and stability in rugged conditions, especially sand and muddy ground Easy-to-attach, a center strap secures the sheet to the chair frame, while chair feet slide into corner pockets Increases comfort and stability in rugged conditions, especially sand and muddy ground Chair Zero ground sheet measures 14.5 x 11 inches open, and weighs 5 ounces; manufacturer’s five-year warranty