Erasable Rollerball Pens:Erase and rewrite repeatedly without damaging documents,eraser is at the top of the pen.Writes smooth,erases clean.12 color erasable pens set sufficient to meet your needsUnique:New unique Thermo Sensitive gel ink will disappear with friction, with no residue and no tearing of paper.not mess your hands and paper that help you keep work neat and organized.Wide Range of Uses:Not only use our gel pens for note taking and homework,also can be marked on most clothes with clear ink color.Suitable for drawing writing,sewing, tailoring, clothes marking, handicrafts,embroidery, cross stitch,etc.Safe y Constant Use:Erasable gel rollerball pens are made from safe and non toxic material.Plastic external shell,simple but effective,protecting the point from being damaged and durable for constant use.Tips:Erasable pens are temperature control pen. When the temperature reaches 60centígrado, the writing will disappear, when the temperature reaches 15centígrado, the writing will be displayed again.Please stay away from the sun and all the heat sources. Store in a cool place.Not recommended for use on examination paper, legal,official documents or commercial signatures.