G-Spot Glass - Tulip Bowl - 18.8mm - Small, Medium or Large Whether you smoke a little bit at a time or really pack a bowl and pass it around, G-Spot's Tulip Bowl has the perfect size for you. These sturdy bowls are made from the same tempered borosilicate glass as G-Spot's extensive line of glass bongs, and will resist breakage with a glass rollstopper and a sandblasted 18.8mm joint. The G-Spot logo is printed in black on the side of each bowl. It's available in three sizes, so choose Small, Medium or Large from the drop-down menu when ordering. G-Spot Glass has been a player in the business of building a better bong since 2000. Based in Germany, they manufacture and supply premium glass bongs, accessories and handpipes of the highest quality at a mid-level price!