Founded in 2004 in Austin, Texas; Grav Labs is one of the oldest and most well-respected brands in the glass industry. Grav Labs designs quality and highly functional Borosiliate, Scientific Glass pipes including; Bongs, Dab Ribs, Water Pipes, Steamrollers, Chillums, Spoons, Sherlocks and more... There is a reason Grav Labs is one of the biggest names in the glass game.