Tank Glass The Original Tank 12" 9mm Thick DuroTec Glass Straight Tube BongTANK GLASS I am super excited about including Tank Glass to the lineup of premium bongs in store. A brand that I have had my eye on for quite some time and I am quite pleased to be the first Australian Stockist! A group of computer engineers and material scientists working diligently to craft what is considered to be the world's first unbreakable bong. Hand crafted in Los Angeles with super thick, class A non float certified glass. I would call their