Clear glass but like the ambers, it has those flecks in it too which are glass batch impurities. Filled with thousands of pinpoint bubbles as well and is best baselighted or displayed in sunlight. These clears seem to have a little very light haze on them too like the opal 128's.Leave as-is or buff out as you wish. VVNM.Has a couple small flakes on the pinhole edge from when it was taken off the pin. $6 + shipping.