HOT ! Ergonomic Mesh Office Chair with Adjustable Lumbar Support and Flip-up Armrests-Black

● Rocking backrest can be adjusted from 90 to 115for relaxation● Adjustable lumbar support provides customized comfort for working and leisure time● Ergonomic design perfectly fit your body curve to reduce fatigue● Flexible height adjustment and 360 swivel seat suit different needs● Lifting lever & tension control (tight & loose) for easy adjustment● Made of selected materials for upgraded sitting experience● Breathable mesh to promote airflow to keep you cool during long work sessions ● High elastic sponge to provide more coziness for your workday● Equipped with adjustable 2D headrest for comfortable support● 90 flip-up armrests to slipthechairunderthedesktosavespace● Premium gas lift and stable 5-claw base for reliable structure● Universal wheels allows for effortless movement on any floor● Assembly needed