Custom 5 color highlighter pens, which produce a fluorescent effect when exposed to ultraviolet light (sunlight, fluorescent light, mercury lamp, etc.) emitting white light, making the colors appear to have a fluorescent feel. Water-based fluorescent highlighters are a new type of pen for marking that has been around for a few years They use thicker, lighter ink to cover key areas for marking. Once marked, the text that is obscured is immediately apparent. An even more important role is: documents marked fluorescent highlighters are not visible when photocopied. The multicolor fluorescent highlighters have many features, clear scratches, very suitable for scratching notes, comfortable grip for long- handwriting. Vibrant, colorful fluorescent highlighters, exterior design, novel and creative shapes. Waterproof, quick-drying, anti-bleeding, lightfastment ink, suitable for general paper. The pen body has a frosted texture. If you are interested, please send an email, and we can send you a sample for free.