Featuresr fashion style exquisite craft multi colorsr max120kg load bearing heavy dutyr both seat and gliding caster can swivel 360smoothlyr ergonomic backrest sponge padded seat for whole day comfortable sittingr 12cm height adjustable by safe pneumatic gas lift to suit tabler r test we passedr 1our chair has passed ignitability test for foam in slab or cushion form of us standardr 2it has passed strength durability safety and stability test of domestic seating accords with en1