1.Material:aluminum 2.it can be 4times longer after stretch 3. high temperature resistant Duable Quality Semi Rigid Aluminum ... ,hot air,how wind,equipment and so on5.ID size can be ordered from 2" to 12" or according to the ... ,Egypt,Italy,Pakistan,Canada,Janpan,Australia... Spec.O.D.(mm)I.D.(mm)Length(M/PC)2"605043"867643-1/2 ...