Product information:Processing Technology: manual Color: ink blue-full length 21cm (ordinary style), Brown-full length 21cm (ordinary style), black-full length 21cm (ordinary style), ink blue-full length 19cm, Brown-full length 19cm, all Black-full length 19cm, ink blue-full length 23cm, Brown-full length 23cm, all black-full length 23cm Applicable people: men Material: titanium steel Shape: Geometry Style: European and American