... quality 2.packed with paper in wooden crates 3.delivered in time 4.superior service Glass block 1)various of patterns,sizes ... , blue, orange, green, pink, yellow, bronze etc.Packing: Cartonclear glass block 1)various of patterns,sizes 2)can endure heavy weight ... pressure4,low heat conducion,fire proof, corrosion-resistant insulatorclear glass block 1)various of patterns,sizes 2)can endure heavy weight ...