Senior marks pyrograph: the blanching treatments the text stamping pattern to your clothes, traditional wash water mark is by using a sewing method is fixed to the other position of the inner side of the collar or clothes, such as clothing is direct contact with the skin will rub the skin, to produce a stinging or even cause skin allergies, and blocking up the hot wash water mark a perfect fit with the fabric, feel is good, do not rub on the skin is all high-end clothing, underwear, children's clothing, shoes, hats, preferred with hot wash water mark will make your product quality more high!