Item Name: Purple Combo Waterproof Invisible Ink Pen Painting Marker UV Light 2 In 1. Color:Green,Blue,Pink,YellowProduct:UV Light PenLength:13cmType:HighlighterMaterial:ABS100% Brand New And High qualityNote: You can write on most surfaces, but whether it can stay on the surfaces, it depends on what kind of the material you write on. If you write on the papers, it can stay on permanent if you write on the metal or plastics, it may couldn't last long, because it will be erased easily due to the characteristic of the metal and plastics.Package Include: 1/5PCS UV Light Pen *
