... two halves of unburned bricks melt in high temperature. Series: Clear sereis, Color series, In-color series Color: Blue, Green, Brown ... , Pink, Red Vein Pattern: Acid Cloudy Clear, Acid Direct Clear, Clear, Cloudy, Crystal, Parallel, Cycle Rhombus, Diamond, Diamond, Digona, Double ... 5,000pcs/20FCL240×115×80mm 10pcs/ctn 10,000pcs/20FCL Clear Sea wave glass block