Features: 1) Luxurious cow leather covers all seating areas with matching PVC on back and sides (also (also can be in PU leather) 2) Black rims go well with the color of cow leather 3) Pronounced lumbar form and protuberant headrest pillow provide exceptional comfort and support for lumbar and head 4) Layered seating cushion is designed to maximize your working comfort 5) Stylish sculpted armrests are upholstered with sleek, soft cow leather for extra comfort and support 6) Gas lift height adjustment and lean forward or tilt back and tilt lock features add versatility 7) Large black nylon 5-star base with dual wheel castors provides smooth and easy movement along the floor 8) Curves: conforming to the natural curvature of body spine 9) Armrest: nailless soft padded armrest 10) Base: metal base 11) Headrest: ergonomical soft headrest 12) Mechanism: lockable and synchro-tilt mechanism 13) Test standards: a) Armrest: BIFMA b) Base and castor: BIFMA c) Plywood: BIFMA d) Foam: CAL117 e) Gas lift: BIFMA 14) Dimensions: 77 x 64 x 110-116cm Packing: Carton dimensions (L x W x H): 77 x 35 x 64cm N.W.: 25.50kg G.W.: 28.00kg Conveyance: Qty/40\'\' FCL: 360pcs