GRAV Ellipse Iridescent Effects Glass AshtrayGRAV GLASS ASHTRAY WHAT AM I? An ashtray designed o be a work of art. Very thick glass in the shape of an oval with an iridescent mirror backing. Hold it up to the light and the colours will change. Grav, hands down are the masters of glass, scientific producers of glass if you will. A global reputation that is hard to surpass. Built to last, highly functional and as gorgeous as glass can get. Those in the know only and always use Grav glass. When