* Upholstery: High-quality cowhide or top-grain leather.
* Board material: Environmentally friendly bent board formed by one-time pressure, treated with drying and high-temperature lamination, no deformation or mildew.
* Sponge: 45# density original high resilience sponge.
* Base: Big fly base, lockable in one position.
* Gas lift: High-quality electroplated gas lift, 65D-6 stroke.
* Chair legs: High-strength 350# aluminum alloy legs, aluminum alloy die-casting integrated molding, static pressure test of 1136KG, compliant with BIFMA standards.
* Casters: 60# silent electroplated casters.