... This product's Characteristic : Green ceramic chips for architectural surface coating,and concrete surface.We, YANTAI KINGSTONE, supply the Material in ... 12-14mm, 9-12mm, 20-40mm, 40-100mm and 10-60cm or up as requirement. More informaion ,pls visit ... .chinakingstone.com/luminous-glass.htmlSamples free as requirement. For details, Please contact us. Green ceramic chips for architectural surface coating