... insulated, heat insulation, waterproofing, energy enervation, and good diaphanous.It's formed by two halves of unburned bricks melt in high ... : Clear sereis, Color series, In-color series Color: Blue, Green, Brown, Pink, Red Vein Pattern: Acid Cloudy Clear, Acid Direct Clear ... 5,000pcs/20FCL240×115×80mm 10pcs/ctn 10,000pcs/20FCL brown parallel glass block