The SIHOO M18 Ergonomic Office Chair is a premium office chair that prioritizes your comfort and wellbeing. With its ergonomic design and high-quality materials, this chair provides optimal support for your body during long hours of work. The contoured backrest and adjustable armrests and lumbar support reduce strain on your back and neck, while the seat height can be easily adjusted to your preference. The chair's breathable mesh fabric upholstery promotes airflow, keeping you cool and comfortable throughout the day. Designed with both style and function in mind, the SIHOO M18 features a 360-degree swivel function and a tilt function that allows you to recline up to 135 degrees, providing you with the freedom to adjust your posture as needed. The SIHOO M18 is the perfect addition to any workplace or home office. Key Features: High quality mesh upholstery for breathable comfort during long periods of sitting Height and angle adjustable headrest for personalized support 5cm height and 3cm horizontal adjustable lumbar support to reduce strain on the lower back New foam with 1.2cm plywood inside for added comfort and support Nylon functional armrest with PU cover and 4 level height adjustment for optimal arm support Multi-functional mechanism with 3 position lock for customizable positioning Polished aluminum base 350mm for a sturdy foundation TUV-3 chrome gaslift D100 for smooth and effortless height adjustment PU castor for easy movement and stability on a variety of surfaces. Specifications: Brand: SIHOO Model: M18 Classic (without Footrest) Size: 72 x 70 x 109 - 130cm Gas Lift: TUV-3 chrome gaslift D100 Wheel Material: PU Nylon Castor Chair Leg: Polished Aluminum Base 350mm Seat: New Foam with Built-in 12mm Plywood Back: High Quality Mesh Armrest: Nylon with PU Cover Colour: Black What's in the box: 1 x Sihoo Ergonomic Office Chair 1 x Accessories and Tools Kit 1 x User Manual