water erasable pen, also named water soluble pen/water disappear pen/erasable pen, markings will not disappear by self, but can be removed completely & immediately with plain water or damp cloth/sponge. it’s an ideal use for temporary marking & memo writing in sewing, quilting, embroidery and craft projects, can write on paper, cloth, wool and plastic etc. two colors are available, blue for light color materials and white marker for dark ones. three different nib sizes for choice: standard nib—1.00mm, and fine ones--0.5mm/0.8mm.other sizes can be offered by order production! ink is nontoxic, and conforms to astmf963 and en71part3. package quantity:12/240/2880pcs box size:53*32.5*45cm suttle weight: 22.5kg gross weight: 23.5kg.