... film 1.high shrinkage ratio 2.environmental protection 3.top grade quality shrink film 4.shortly delivery pet heat shrink film ... temperature3.Air proof, moisture proof, barrier, dust proof4.Low specific gravity, low-cost, high flexility, good tension strength5.Wearing ... , impact proof, acid resistance, durability, quality consistency6.High transparent material, good luster, nice outlood of package which ...