The Groovy Cat J-Case. An aluminium doob tube with a watertight seal. This case will keep your pre-roll safe in your pocket, in your purse or even just tossed in your backpack. With this tube you don't have to worry about it getting crushed, accidentally opening or even dropping it in a puddle! The seal on the tube is watertight and reduces odor considerably. Available in 4 groovy colors.