Mesh Computer Office Desk Midback Ergonomic Task Chair

This chair feature a heavy duty metal base, not cheap plastic base used by others. Features: Comfortable Chair Attractive, supportive, breathable Black mesh back and mesh fabric seat. Comfortable arm rests 360 degree swivel for the chair. Weight Limit: 250LB overall dimensions:37.4"-40.5"(H)*23(W)*24(D) Comfortable arm rests Seat Size: 20.1"(L) x 20"(W) Seat height: 17.7 - 20.9" adjustable height Back size: 19.5"(L) x 18.3"(W)