1. The outer layer is the Kraft paper; The inside is lining air bubble.
2. Light weight for postage savings.
3. Provides outstanding stiffness and puncture resistance.
4. Multi-functions for mailing and package.
5. The bag of elegant appearance and the surface is easy to write.
6. The material can be recyclable.
7. High security for the protection of your goods.
8. Self-seal is convenient and secure.
9. Any printing and any size is available.