AMG Glass has made one of the toughest pieces on the market. For those who are prone to accidents and knocking glass over, this heavy duty piece can withstand abuse. Made from super thick and heavy 7mm thick glass these bongs are built to take a beating and keep going. Available in 12, 15, or 18 inches and comes with a removeable diffused downstem and matching bowl. Works great as a self defense weapon against zombies too! Made by AMG Glass in California using super thick borosilicate glass.