To begin with, the DaVinci IQ Pearl is a crucial piece to the heating system of the DaVinci IQ. DaVinci designed the IQ Pearls to firmly pack your dry herb, as well as evenly heat the entire bowl. Tightly screw the DaVinci IQ Pearls into the bottom of the chamber lid so that when the lid is closed, it tamps down the chamber for a snugly-packed bowl. Heat radiates from the DaVinci IQ Pearls to evenly vaporize the dry herb. This original equipment manufacturer product is made from high-grade zirconia ceramic, and it delivers the best conduction and vapor quality possible for the DaVinci IQ vaporizer.