The insulated glass is the combination of glasses, which have been sealed between two or more pieces of glass on the edge. It has the features of sound insulation and heat insulation. Specification: size: 3000mmx3000mm 5+6a+5, 5+9a+5, 5+12a+5, 6+6a+5, 6+9a+5, 6+12a+5 Wooden crates