VapeOnly Dwarf is a unique pen style kit. What makes it great is that it has a removable cartridge and you can easily enjoy your vaping experience without that much of a problem. You can take it out with you if you want, not to mention there's a great filling system since you fill it from the top. The VapeOnly Dwarf also has an electricity indicator light with 3 colors. All in all, this kit will make vaping cooler and better.