This GRAV Cup Bowl is made out of high-quality borosilicate. This bowl is perfectly sized for solo sessions, or to make sure that everyone always gets a fresh tasty hit. The ring below the bowl is called a Maria, which stays cool so you can remove the bowl without burning your hand.
GRAV is known for its quality scientific glass pipes and water pipes, as well as innovative designs like the Helix, STAX, Arcline, and more. Aside from scientific glass, GRAV Labs also manufactures high-end vaporizers and accessories. They've been leading the industry for over 10 years and have created some of the most recognizable products for consumers around the globe. What sets GRAV apart from other brands is that they created an inexpensive product that looks awesome, and works like a charm.