... : 6pcs per ctn, 1500ctns per 20' container. We supply glass block with diferent patterns:cloudy,parallel,wave,lattive,parallel,double stars ... ,diamond,jewel,bubbles,oblique line,hombus and so on,also different colors:green,pink,blue,brown an ... so on.Our product is famous for its sound quality and comprtitive price.We will supply high quality product ...