Plastic mailing bag envelope bag made by Tianbai have below features, 

• PROVIDES CONFIDENTIALITY. Poly mailers were white outer surface, black inner lining, so it looks like light grey color not a true white. The Shipping Bags used of opaque materials convenient for protect your privacy .
• PREMIUM QUALITY. Envelopes have a good stretch, lightweight and water-resistant. Lower the shipping cost of your business and protect your products on the rainy or snowy day.
• TEAR RESISTANCE SELF SEALING ENVELOPES. The adhesive on the fold-over flap is really strong and tamper-evident. There's no need reinforcement tape and it doesn't come apart unless you tear it up.

If you are tired of plain regular mailers, Tianbai poly mailers are a choice for you since we can customize the bags as your requests. 100% Satisfaction Guaranteed.

Any assistance please feel free to send us mails to inquiry@chnpack.com.