The DM9 Ergonomic Office Chair is the epitome of comfort and support for your workspace. Engineered for your well-being, the DM9 combines ergonomic excellence with customisable features to enhance your experience. The DM9’s ergonomic mesh back conforms to your natural spine curvature, promoting proper posture and reducing strain on your back and shoulders. You’re also able to tailor the chair to your exact preferences for maximum comfort and efficiency during those long hours at your desk. Upgrade your office experience today with the DM9 Ergonomic Office Chair. General Ridge-Shaped Bionic Back Rest with Durable Mesh Back Height Adjustable Lumbar with U-Shaped Support Back Rest Tilt from 90 Degrees to 120 Degrees - Lockable Back to 4 Settings Adjustable Seat Height with Class 4 Gas Lift High Mesh Back with Adjustable Head rest (Tilt & Height) 360 Degree Running Nylon Castors Seat with Moulding Foam and Seat Depth Adjustable - Class 5 Waterproof and Class 6 Oil Resistance BIFMA Certified - ensuring it meets industry stnadard for safety, durability and performance 350mm Non-Slip 5 Star Base Minor Assembly Required Adjustments 3D Arm-Rest Adjustments (Up/Down, Forwards/Backwards, Rotatable) Seat Height Adjustable 100mm Seat Depth Adjustable Lumbar Height Adjustable Height & Angle Adjustable Headrest Tension Adjustable Max Weight Capacity: 150kg Product Dimensions Height: 1115mm - 1335mm Height (Seat): 455mm - 555mm Width (Seat): 500mm Width (Incl. Armrest): 595mm - 695mm Width (Total): 640mm Depth: 640mm Depth (Seat): 515mm Back Height: 530mm Net Weight: 17.45kg Warranty: 10 Year Warranty against manufacturing defects (Parts Replacement)