... crispy, easy to wrinkle.3.colour :The pigment of Good membrane is unmistakable in the film, durable, Not easily discoloration. the ... . 4.The bubble: when the car ripped the plastic lining membrane, and then reunited, the poor quality film will be bubbly ... . Windscreen heat proof transparent film, evolution from transparent bullet-proof membrane, and it is more than 70% light transmission. 5.Insulation ...