a.economic, can be useing in food and box, b. applicability ,even in hand operate or hand. c. polyolefin film and shrink EconomicSmall specific gravity --thin and tough,and low actual use costs,Its high grade will increase sense of value of your product physicsSoft ,but tenacious,robust tear,strength,and even thicknessHigh shrink rate and low-temperature shrink performanceWith great transparency ...