1.5 layer POF film 2.Good service & good quality 3.Center fold ,single wound 4.thickness:15.18.19. ... according to your request.Product features:1. High transparency, fine luster2. High shrinkage, up to75%3. High heat sealing and intensity, suitable for ... manual, half antomatic and high-speed antomatic packaging4. High cold resistance, keep flexible below-50 degree celsius, ...