Quick overview from the supplier:
Gaming Chair Havit GC938, Headrest & Lumbar cushion, 2D Armrest, Half PU leather, Nylon feet, Black/Red
.
Iron Frame：1.5mm thickness
Material：Normal Sponge（back）+ shaping sponge（seat ）
Half PU leather
Nylon feet
Armrest：2D lift armrest
Angle adjuster/back lever: 510 adjuster
Gas rod: Level 3
Chassis:19#Mechanism
N.W.: 19kg-21kg
Carton size: 79*65*28CM
Cushion size：width40cm，depth50cm
