Fabric: Made of A++ grade cowhide imported from Italy, with strong wear resistance and good air permeability; Taiwan-funded "Dongya" brand environmentally friendly high-density shaping sponge (seat ≥35kg/m3, backrest ≥30Kg/m3), Xieqiang air pressure rod, withstand The pressure is 250kg, the high-flying multi-functional chassis has lifting, tilting, multi-stage (5-stage) locking functions, high-quality painted wooden feet and DuPont nylon fiber synthetic casters.