This Skull Grace Glass Precooler is a green colored handheld piece of glass art that will offer you a special hit! It is made of a high quality heat proof borosilicate glass, formed in the shape of a skull. It comes with an 1x12 slot slit diffuser for extra filtering your smoke, providing you this way a cooler toke! A 3 point bowl is used for placing your herb or tobacco. The black Grace Glass logo features at the front of the cylinder chamber. The precooler fits any suitable bong or bubbler joint of 14.5mm diameter.