Detailed Product Description We are the biggest manufacture of colored borosilicate glass bong in China ,we are also the exclusive manufacture of colored borosilicate glass tubing and rod in China,that decide the price of the bong will be cheapest in China50X5mm 38x3.2mm ,,clear- 12"ht ,18"ht ,20"ht ,24"ht,straight+ash catcher bottle,"AP " "roor" logo . we also can OEM your new design .