pof folding film thermal shrinkage film packaging box plastic packaging film film transparent heat shrinkable bag transparent thickened thermal shrinkage film POF对折膜热收缩膜包装盒子塑封膜膜透明热缩袋 透明加厚热收缩膜

25 * 1.8c 30 * 1.8c 35 * 1.8c 40 * 1.8c 45 * 1.8c 50 * 1.8c 55 * 1.8c 65 * 1.8c 25 * 2c 30 * 2c 35 * 2c 40 * 2c 45 * 2c 50 * 2c 55 * 2c 60 * 2c 25 * 2.5c 30 * 2.5c 45 * 2.5c 50 * 2.5c

transparent