Poly lite courier envelope features Polyethylene with superior tear and puncture resistance. The silver inner layer provides document confidentiality and the white outer surface is ideal for high quality printing. Great for books, clothing and like items. Water resistant and extremely lightweight for great shipping savings. All around a great economical choice for shipping.

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• Resistant to water and dirt
• Outstanding tear strength
• Postage saver
• White outer layer and Opaque inner security layer
• Three layer co-extruded polyethylene.
• 2.5" adhesive self-seal closure flap
• Preferred by international courier companies
• Secure and durable