Everyone likes a little control, and with the O.PenVAPE Fill-It-Yourself (FIY) Cartridge Kit we leave it up to you. For the first time in history, consumers have the opportunity to create their own workable oil solution to load into their O.PenVAPE portable vaporizer. With convenient features that make it easy to fill empty cartridges, store your kit contents, and keep track of your O.PenVAPE FIY Kit, it's the perfect accessory for the connoisseur who likes to dabble in a little oil mixing. The O.PenVAPE FIY Kit does not come with pre-filled cartridges. This product is intended for use with essential oils and herbal extracts in states where the sale and consumption of such oils and extracts are legal. You can view an instructional video created by our friends at MassRoots right HERE. Included in the O.PenVAPE Fill It Yourself Kit is everything you need to: Mix: 0.5ml of O.juice & Honey Pot (food-grade mixing bowl) Fill: Honey Pot & syringe fill tool Load: Empty 0.5ml cartridge Vape: O.PenVAPE battery Charge: USB charger Store: Honey Pot lid Carry: O.PenVAPE lanyard Note: Mixing/filling tools & one bottle of 5ml O.juice is enough for 10 cartridge refills. All sales are final for this product. No returns accepted.