Air tight, odor-free, and water resistant, , Doob Tube is the way to go. These Doob Tubes are perfect for customization as they have NO printing on them. Draw on them in sharpie, put stickers all over them, or keep em' clean. It's up to you! Doob Tubes are functional and great for carring your doobs, blunts, smokes, wherever you need to go. These tubes are made of plastic and have a rubber top that seal in odor and prevents lint, water, or anything else you have in your pockets from getting in.