The Horn 17090C Chairs are 6-Way Adjustable, which include pneumatic height adjustment, backrest height and angle adjustment, and seat pan angle. You can sit perfectly in front of any standard heigh sewing cabinet in ergonomic comfort! The chair is engineered with a contoured seat and back with lumbar support to provide the comfort you desire with the support you need. A Horn 17090C chair will eliminating fatigue from improper seating that you get from using a regular desk or office chair. The seat is constructed fire retardant foam padding and heavy-duty upholstery. The Horn 17090C is available in five colors: tan, blue, burgandy, black and light purple. Chairs are designed with a sturdy black base and twin wheel heavy-duty casters provides for a weight limit up to 400 lbs. It's time to stop the pain and discomfort and start enjoying your creative play-time!