Bob’s Pen Kit consists of one cartridge, one battery, and one charger. The Bob pen kits are the results of years spent exploring multiple forms of cannabis oil and vaporizer tanks. Bob uses a proprietary technique to distill cannabis oil that removes ALL impurities. Resulting in a co-developed pen vaporizer that quickly vaporizes the thickest and most purified oil. This is not a pen for puffing. It’s a pen for the long haul! Ingredients: THC distillate and natural terpenes. Does not contain Vitamin E acetate.600MGAvailable in White Widow ,Blue Dream, Blueberry & Clementine.