These pop-top, child resistant tubes are manufactured precisely to fit any standard size pre-roll. Made in the USA, our joint tubes provide a convenient way for both medical patients and recreational consumers to transport pre-rolls safely and efficiently. The sealed vial of these doob tubes increases the shelf life of the product inside immensely. They are made of medical grade, BPA-free, FDA approved materials and meet CPSC requirements for child safety. These doob tubes are great for promoting head shops, marijuana dispensaries, cannabis clubs, the weed industry and more!