1 Size:for 1/8 , 1/4,3/8,1/2,5/8,3/4 inch copper tube outer layer 2 ... Wall thickness:8mm to 12mm. 3 Material:PE foam Insulated pipeSize:for 1/8 , ... 1/4,3/8,1/2,5/8,3/4 inch copper tube outer ... bag packing.The length per pcs can be negotitated for better shipment. Pre- insulated PE foam copper pipe for Air conditioner parts