... sheen/pool coated/colored terrazzo/ garden decoration ***Color irregular glass pebbles:Popular used for terrazzo and exposed concrete coating,swimming ... , footpath, metope, door case, pole, screen etc.our color glass rocks are ideal for landscaping, gas fireplaces, terrazzo flooring, countertops ... , fish ponds, aquariums and aggregate projects. Size range: 1-3mm,2-4mm,3-5mm,6-9mm,9-12mm ,12-20mm ...