* Needle point OHP pen
* Quick-drying vibrant ink fading when expose to sunlight
* Water-resistance on slippery surfaces
* Dry Safe Ink is hard to dry out even if the pen's cap is left off
* Odorless and Xylene and Toluene-free
* Working with film, transparency sheet, sketched painting, plastic, steel, wood, fabric, leather, glass, and ceramic
* Writable on CD/DVD/BD without damaging any data
* Pe