Specifications: Color Black Material Mesh Sponge NylonProduct Dimensions 25" x 23.5" x 43"-47"Size of Headrest 13" x 6"Size of Backrest 21" x 19.5"Length of Armrests 25"Height of Armrests 25.5"-29.5"Size of Seat 20" x 20"Height Range of Seat 17.5"-21.5"Diameter of Base 23.5"Weight Capacity 350 lbsNet Weight 24.5 lbsBox Qty 1(May vary by batch)

● 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