The PulsarHidden Gems Dab Rig is made from quality borosilicate glass and features a vortex percolator. What really makes this pipe special is the included "hidden gems" which help to break up and cool down smoke. Inserted through the mouthpiece of the pipe, these gems are great for diffusing smoke and keeping your treasures safely on display. These pipes measure 9.75 inches (24.8cm) tall and includes a 14mm male quartz banger.