Ergonomic Mesh Office Chair with Lumbar Support and Rocking Function-Black

-Ergonomic backrest and rocking function relieve back pain and promote good posture -Control lever and tension control (tight and loose) for easy adjustment -Y-shaped lumbar support and human bionic design promote comfort -The headrest can be adjusted up and down and rotated for cozy neck support -Adjustable armrests with rotation adjustment and front and back adjustment -Flip up the armrests to enjoy more freedom and convenience -4" seat height adjustment meets different using needs -4" resilient thickened cushion for enhanced comfort -Breathable mesh is designed to keep your back sweat-free -High-density sponge provides more coziness for your workday -The gas lift with SGS certification and stable 5-claw base for great support -360° swivel seat and mute universal wheels for maximum flexibility -Selected executive chair for home and office ● Ergonomic Design and Rocking Function: The ergonomic office chair features an S-curve backrest designed according to the curve of the human spine. The rocking function and Y-shaped lumbar support add extra comfort and relaxation making it ideal for long work hours. ● Adjustable Headrest and Seat Height: The headrest features 80°rotation adjustment and 2.5" height adjustment for neck and head support thus to alleviate tension and strain. Besides the seat height can be adjusted from 18"-22" for personalized seating experience.● Flip-up Armrests with Adjustment: The executive chair comes with flip-up armrests that provide flexibility and convenience. 35° rotation adjustment and 1.5" front and back adjustment make it easier to find the perfect arm position. ● Selected Mesh Office Chair: Breathable mesh back and seat allow for air circulation keeping you cool throughout the day and reducing discomfort caused by sitting for a long time. In addition the seat is filled with high-density sponge for more coziness. ● Strong Structure and Easy Movement: Strong 5-claw base plus premium gas lift make the office chair more stable which boasts strong weight capacity up to 330 lbs/150 kg. The mute universal wheels enable easy mobility either for home or office. Color Black Material Mesh Sponge Nylon Plywood Overall Dimension 25.5" x 25.5" x 44.5"-48.5" Seat Size 20" x 20" Backrest Size 19.5" x 20" Dimension of Headrest 12.5" x 6.5" Adjustable Seat Height 18"-22" Length of Armrest 25.5" Height from Armrest to Ground 25.5"-29.5" Diameter of Base 25.5" Thickness of Seat 4" Net Weight 23.5 lbs Weight Capacity 350 lbs