Ladies and gentlemen, feast your eyes on the one and only ROOR Icemaster Bong. This thick-glassed bong delivers pure quality and hits. Made from 7mm thick borosilicate glass, it's very resistant to breakage. This bong is 45cm tall, the joint diameter is 18.8mm, and the tube comprises 3 notches, which go together with ice for a chilled, smooth experience. A glass screen is included.