Omega Folding Creeper Seat is designed to be folded in a 14-3/8" x 11-3/8", "Z"-shaped mechanic's seat or unfolded into a 40" mechanic's creeper. It can support and move up to 450 lbs. along a smooth and level surface, with a frame thickness of 3/4" x 1-5/8". This unit also features fully-upholstered head and body cushions and six 3" polyurethane caster wheels. Note: Freight charges for this product will be calculated after order is placed, and we will contact you with the amount. Please call if freight quote is desired before ordering.