Looking for a simple 9mm bowl for your water pipe? These 9mm Economy Bowls offer a 2-in-1 bowl/downstem solution so you spend less time fiddling with parts and more time smoking from your favourite piece. FEATURES & SPECIFICATIONS Joint Diameter Size: 9mm Material: Glass Colour: Blue, Clear ADDITIONAL DETAILS Product Features: 100% borosilicate glass What's Included: 1 x 9mm Economy Bowl