Retro Active has partnered with Grav Labs to offer their new limited edition line of Grav Gold products. Each Grav Gold piece is carefully hand blown to meet the highest standards and has a limited run of production. This means your new Grav Gold piece will only be that much more unique! Designed by some of the nation's top glass blowers, Grav Gold offers customer's the chance to get their hands on some of the highest quality, limited edition glass.