Padded 3.5-in low backrest offers cushioning and added extra lower back support Comfort seat cushion features eco-friendly, high-density durable foam Heavy-duty sturdy metal base to accommodate a weight capacity up to 350 lbs Wheelbase features five 2-in non-slip, non-marring casters that protect your floor Convenient 360-degree swivel, base measures 18-in in diameter Strong hydraulic lift cylinder with easy access lever for adjustable height Adjustable height from 21-in to 27-in to accommodate a wide range of uses Seat Height adjusts from 18-in to 24.5-in Seat cushion measures 15-in wide by 17.5-in deep Seat cover is made from a soft, highly durable vegan-friendly synthetic leather