Introducing the SIHOO M16 Ergonomic Office Chair - the perfect blend of comfort and style for your office space. This high-quality office chair is designed with ergonomic features that prioritize your comfort and well-being, making it the ideal choice for long hours of sitting and increased productivity. It makes the perfect choice for busy professionals and home office setups alike. Features: High quality mesh upholstery for durability and breathability Height and angle adjustable headrest for customized neck and head support 5cm height and 3cm horizontal adjustable lumbar support for optimal lower back comfort New foam cushioning with 1.2cm plywood inside for superior comfort and support Nylon fixed armrests for stability and support for arms and shoulders Multi-functional mechanism with 3 position lock for customizable recline and tilt options Chrome base measuring 320mm for stability and durability TUV-3 chrome gaslift D100 for smooth and safe height adjustment PU castors for easy and quiet mobility without damaging floors. Specifications: Brand: SIHOO Model: M16 with Headrest Size: 64 x 64 x 109-130cm Gas Lift: TUV-3 chrome gaslift D100 Wheel Material: PU Nylon Castor Chair Leg: Chrome Base 320mm Seat: New Foam with Built-in 12mm Plywood Back: High Quality Mesh Armrest: Nylon Headrest: High Quality Mesh Colour: Black What's in the box: 1 x SIHOO Ergonomic Office Chair 1 x Accessories and Tools Kit 1 x User Manual