US Tubes out of Berkeley, California say it the best: STRONGER IS BETTER! If you are looking for a solid waterpipe that’s built to last, look no further. They have various styles including beaker bottoms, straight tubes, and some of their specialities like their, oversized joints, round bottom and hybrid tubes! The thickness of their tubes is what makes them so strong: available in 5mm, 7mm, and 9mm depending on style. All of their glass parts and assembly are manufactured in the USA. Check back often for new US Tube arrivals, we like to keep a large variety on hand at all times. Online stock updated frequently but don’t hesitate to call about current stock in-store: 503-208-2235.