Item Type: Water Erasable Pen + Mercury Refill_x000D_ Pen Body Length: Approx. 13cm / 5.1in_x000D_ Material: Pigment + plastic 1Suitable for handwriting on leather, mesh, rust on bag accessories, rust on leather 2The silver refill is to add detergent in clean water (such as the detergent for washing dishes at home), and then rub the color with your hand 3Made of high quality pigment and plastic material, durable and long service life 4Including 100pcs mercury refill, easy to replace and use 5Good helper for marking and cleaning of the leather handcraft2 xWater Erasable Pen100 xMercury RefillDue to embroidery process problems, some hard-to-wash red or black embroidery cloths are warmed with hot water + soap, rubbed or soaked for a period of time, the color will completely disappear.