Disappearing pen & Auto-vanish ballpen are for dress marking / shoes marking.The trace will disappear spontaneously in a fixed time.The silver refill pen are specially for leather products marking. We are majored in manufacturing and exporting Auto-vanish ballpen /Water&air erasable pen /disappearing pen.Our more than 10 years experiences allow us to guarantee a high quality as well as a competitive price.Our products have got good reputation among Sewing Machine factories,Garments factories and the related fields.