Mesh Office Chair with Adaptive Lumbar Support Flip-up Armrests Reclining Backrest-Black

Specifications: Color Black Material Mesh Sponge Nylon PU Metal PlywoodOverall Dimension 28″ x 28″ x 46″-50″Seat Size 20.5″ x 21.5″Backrest Size 20.5″ x 23″Dimension of Headrest 13″ x 6.5″Adjustable Seat Height 17.5″-21.5″Height from Armrest to Ground 26.5″-30.5″Length of Armrest 26.5″Thickness of Seat 4″Net Weight 31 lbsWeight Capacity 350 lbs

-Designed for office workers who need to work and sit for several hours
-Ergonomic design better relieves the pressure on the back and lumbar spine
-Comes with a lumbar support to ease spinal stress and reduce back pain
-Control lever and tension control (tight and loose) for easy adjustment
-Adjustable armrests meet the preferences and needs of different users
-Flip-up armrests to save space and provide more flexibility
-Adjustable headrest is designed to provide comfortable support for your neck
-Adjustable seat height and 360°rotation suit different needs
-Breathable mesh and soft sponge give you comfortable and cool sitting experience
-Premium gas lift with SGS certification serves for a long time
-Heavy-duty 5-claw metal structure ensures high-intensity support
-Flexible wheels can rotate 360°easily without making too much noise