These Glass Bongs stand at 19cm-25cm tall and is made of borosilicate glass. They feature a defusing downstem as well as the hole through the middle of this piece acts as a swiss percolator air is forced around these holes, filtering smoke without creating any drag on your pull plus the base of the Octopus acts as a splashguard so this piece is sure to only offer the best, smooth and splash proof hits. Lastly the Bong comes with a really impressive 14mm Diamond Glass Herb Bowl. Its Short Hight and 90 Degree Female Ground joint males it an ideal Bong to use as a dab rig to! Octopus Glass Bong Specs: Glass Type: Borosilicate Design: Octopus Themed. Hight: 19cm-25cm. Joint Size: 14mm Male. 14mm Diamond Glass Herb Bowl included.