Convenient Single Use & Fantastic Price – Lightweight, good price and high quality is what you should look for in a disposable pen. That will allow you to travel at ease, take it around town and pass it around without worrying about losing it. Once you have gotten your full use you can discard it just like you would discard any old battery. Plus no need to worry about chargers, wires and vape cartridges. It’s all integrated into this neat and convenient disposable vape pen. Works best with thin to medium viscosity oil.