This 23 inches height is simple classic style beauty bong. by Genie Glass. Producing 9 mm thickness tubing is very costly to product but it is well worth due to its gorgeous looks. Extra-thick, heavy, 9 mm borosilicate glass is used to make beaker-shaped bong with an unusual percolator! Ice notches in the tube allow you to drop in a few cubes and get an even cooler toke! The sleek design bong features a reinforced, bi-stable 18 mm joint, ideal for 14/18 mm down stem attachments. A roomy, thick glass slide bowl with an 14 mm joint and matching color handle is included.