Set: High Back Swivel Office Chair 360-degree swivel Color: Dark Grey+Light grey Sponge: Primary sponge Leather: PU+fabric Weight Limit 250lbs Adjustable Height Armrest: Nylon armrest with padded Butterly mechanism Class 3 gas lift Foot material: 350mm nylon with wheel Add label on a bottom of the seat With warranty card. All materials meet with BIFMA standard 17.52 - 20.47 seat Height Product size: 26.77in length, 27.55in width, 45.27-44.29in height Adjustable Height: Overall- 45.5in - 48.5in Floor to seat- 17.5in - 20.5in Seat Dimensions: 20in depth, 20.25in width, 29.6in height, 3.2in arm width 1pc/brown box size: 30.70x12.6x25.60 inches N.W./G.W.: 35.5 / 40.35 pounds