Specification: Material: steel + PU leather + foam Gross weight: 18.5kg Packaging Size: 82*38*38(CM) Folded Size: 31 "L x 14.5 "W x 13 "H Seat cushion material: Regenerated foam, can sit for 24 hours without getting tired and restore the original shape Backing plate material: better than the previous material, the 1cm thick steel plate has 7 adjustable angles. Adjustment structure change: Compared with the previous product, the adjustment method of this product is more practical, the adjustment is simpler, and the position to be used can be adjusted in one second, saving the time of fitness Package includes? Adjustable Weight Bench+Instructions+Toolkit