These Skinny Neck Silicone Beaker Bongs from Nucleus come with a clear glass 14mm male bowl and a 1" silicone removable downstem. The rest of the bong is made of food grade silicone; from the beaker style base to the flared mouthpiece. These bongs come in a convenient enough size without sacrificing any quality. With a melting point of 1200˚F+, the Skinny Neck Silicone Beaker Bong will not burn, unless you throw it into a volcano. Also the bong is dishwasher safe! Choose between multiple colors.