... and nib; 3. Best quality cotton tube. Water Erasable Invisible Pen/Invisible for clothing and shoes ... The marker can be remove by wet colth.Water Erasable Invisible Pen could easily write on paper, ... spontaneously.2,the ink could be removed by water Easily and quickly, wet cloth or sponge, ... pen, gel pen, ball pen, whiteboard pen, highlighter,silver refill, auto vanishing pen, Water erasable pen, At the ...