If you want something totally inconspicuous to carry around in travel situations, then the Budsy Water Bottle Bong from Puffco has you covered. If you bust this out in mixed company, no one will be the wiser – it really just looks like a water bottle. To use, simply fill the base like you would a normal water bottle. The recommended filling level is 420 ML. The bowl is hidden by a screw-on cap. This is a simple all-in-one design that offers you the ability to travel with a bong without drawing any unwanted attention to yourself. The bowl is made from ceramic and comes with a silicone tab to ensure durability and safe handling. The bottle is easy to clean BPA-free plastic.