... use the standard carton box to pack our finished auto grade pvb film, which can cut the packing ... cost and guarantee the safety transprotation of the auto grade pvb film rolls.Pvb film Specifications:Thickness: normal ... 1200, 1150, 1100, 1000, 900, 800, 700, 600, 460Color: Milk white, green, blue, grey and so on.With the function ... interlayer is effective absorber of sound Pachaging for auto pvb