The so-called purl, in fact most are colored PET powders. Characteristic is the feeling of a metal particle, met with the light will sparkle. Metallic thermal transfer printing can be used independently, can also be used in combination with offset heat transfer printing or specialized color thermal transfer printing. Divided into 2 methods is rotating clockwise and counterclockwise rotation. Mainly applied to fashion, women's wear, children's wear, jeans wear.