1. Raw material : Adopt brand-new PO-PE raw material
2. Seal type : We introduce iron on glue, which with super destructive effect after rive it.
3. Gauge cracking resistance : Unique heat-seal technology, edge wouldn’t cracking with strong strength
4. Endure Heavy weight: Courier express bag all made of double or triple layers by film
blowing machine, can undertake heavy object.
5. High tenacity: Excellent tenacity, not be distorted by strong stretch up.
Pharameters for Courier Bag