Clear Glass Block 1.size 190x190x80mm 2.for wall decoration 3 ... 1.Glass block is made by glass sand, soda ash, quartz powder & other silicate whichmelted in high temperature. It has no ... on wall decorated in the room or outside 2. Pattern:clear, mist, meteor, parallel, crystal parallel, lattice, rhombus, double star, frost ... .glass block etc ,welcome to visit our factory and office . Clear Glass Block