Staples Hyken Ergonomic Mesh Swivel Task Chair, Black (UN59460) Item #: 990119|Model #: UN59460V-CC Comes in black and features a mesh back and seat Overall dimensions: 45.28-49.76"H x 27.1"W x 27.2"D ; Seat dimension: 17.24-20.98"H x 19.37"W x 16.77"D ; Back dimensions: 16.42"W x 23.43"D Arms adjust up and down to ease pressure on neck and support shoulders Features a swivel-tilt mechanism, upright tilt lock, and a tension knob that allows you to adjust the resistance of the chair for reclining, making it easier or harder to recline back Features adjustable seat and arm height, height and angle adjustable headrest, lumbar support, tilt tension, and tilt lock Rated for up to 275 lbs. based on an 8-hour workday Assembly required Meets or exceeds ANSI/BIFMA standards 5-year manufacturer limited warranty Flash Furniture Harper Ergonomic Mesh Fabric Swivel Mid-Back Drafting Chair, Black (GO2100A) Item #: 2607259|Model #: GO2100A Overall Dimensions: 26.25"W x 26"D x 43" - 49.25"H Seat Dimensions: 26.5" - 32.5"H x 18"W x 18"D Back Dimensions: 18.5"W x 18.5"H Height Adjustable Padded Arms; Arm Size: 34-42.5"H from floor; 7.5-10.25"H from seat Care Instructions: Wipe Clean with a Damp Cloth Rated for up to 250 lbs. Based on 6-8 Hours Use Staples Bentura Ergonomic Bonded Leather Swivel Managers Chair, Black (53234) Item # 24328572| Model # 53234 Bonded Leather back and seat Overall Dimensions: 43.3 - 47"H x 27.2"W x 29.5"D Seat Dimensions: 19.0" W x 18.3" D Back Dimensions: 27.6" H x 18.9" W Seat height adjustment, tilt tension and tilt lock Distance between arms: 18.4" W Chair Height: 16.9" - 21.1" H Suitable for up to 10 hours of use per day Supports up to 275 lbs.