This ergonomic chair allows you to sit long time still feel comfortable. The 97.5 -109.5cm height adjustable chair can be easily adjusted to suit your height. In addition, it has a curved backrest, armrests and a wide seat to fit the curve, which effectively reduces the pressure on the spine and makes you sit for a long time without getting tired. Plus, the soft cushions and breathable mesh provide a more comfortable experience. Supported by high-quality gas lift and heavy-duty base, the office chair can hold up to 160kg. The 5 wheels bring mobility, allowing you to easily move it anywhere. Bullet Point: Ergonomic Support: The ergonomic backrest perfectly fits your spine and helps you sit in the right posture, ensuring long lasting comfort. Furthermore, the curved armrest and wide seat provide you with better sitting experience. Adjustable Height: The office chair height can be adjustable from 97.5 -109.5cm (total height), allowing people of different heights to sit comfortably. You can easily adjust it via the adjustment lever. Comfy Mesh Chair: The home office chair comes with thick cushion, which is filled with resilient and soft sponge to bring comfortable support. Besides, the back mesh is made of high-quality polyester, which is breathable, skin-friendly, wear-resistant and tear-resistant, and suitable for long-term use. Strong Bearing & Great Mobility: With mechanism plate, gas lift and heavy-duty 5-star base, the ergonomic desk chair can hold up to 160kg to offer you strong support. Plus, the flexible universal wheels scroll without noise and won't scratch the floor surface. Humanized Details: The smooth swivel design allows you to easily turn 360 degrees without having to leave the office chair, making it convenient for accessing items. And you can use the tension adjustment knob to adjust the seat to match your personal preferences. Features: Adjustable height to fit tables and people of different heights Ergonomic backrest to help you keep a relaxed posture Mesh fabric and sponge filling ensure comfort and breathability Stable 5-star base ensures strong support and reliable use 5 nylon casters provide 360°rotation and quiet movement High quality gas lift for strong support and high safety Suitable for meeting room, office, study and so on Easy to be assembled with step-by-step manual and parts Tension adjustment knob to easily adjust the seat Specifications: Color: Black Material: Sponge, Metal, PP, Polyester Overall Dimension: 62 x 64 x 97.5 -109.5cm (L x W x H) Size of Backrest: 51 x 55 cm Depth of Seat ( Including Backrest ): 53cm Width of Cushion: 52cm Thickness of Seat Cushion: 9.5 cm Width between Armrests: 53 cm Seat Height: 44 -56 cm Net Weight: 10 kg Weight Capacity: 160 kg Package includes: 1 x Office Chair 1 x Instruction Box Qty：1(May vary by batch)