This 10" bent neck glass bong is made of thick, high grade, borosilicate glass. It features a stemless 90 degree downstem, flared mouthpiece, and large stereo-matrix percolator to create optimal diffusion of your vapor or smoke. The wide base ensures this rig stays flat on your table. This bong can be used for both dry tobacco AND concentrates/oils by choosing the desired accessory above. Add a domeless nail to use this bong for concentrates and essential oils.