... undercoat mercerized cloth, EPE, magnet, velour Magnet health care waist supportMaterial: Joint sponge, undercoat mercerized cloth, EPE, magnet, ... and Vietnam. Brand covers a variety of types of high, medium and low-grade tennis rackets, badminton rackets, ... and tennis, shuttlecocks; every kind of high, medium stringing machines, screen wires, strings, grips; and ...