auto vanishing pen/air erasable pen

Product Description

       1. The Topen brand disappearing ink pen is released by Shanghai Khanzone Industry Co.,Ltd. It can be used for marking lines when manufacturing clothing,hats ,bags, and embroidery. It can be used on various types of material ,especially, cloth, paper and leather.
        2. The Topen brand disappearing ink pen is made with environmentally friendly ink so it is harmless to human the body. The tip is solid and durable. The body is made with the globally used PP material. It's designed simply and elegantly, conveniently porable, and nicely packaged.
        3. The disappearing time of the disappearing ink pen depends on the type of material, temperature,and humidity level. In normal conditions, the mark of the purple disappearing ink pen disappears within 2 to *4 days while that of the red disappearing ink pen disappears within 1 to 7 days. However, if you use our company's eraser pen, it can be wiped off immediately.
        4. The Topen brand disappearing ink pen has the United States' ASTMF**3 and European Union's EN*1PART3 standards. Also, it is tested by SGS.