• Easy to use: self-sealing, adhesive and easy to be peeled
• Self-sealing
• Fully laminated water proof Kraft Paper
• Mailers are plain, no printing or branding outside
• Lightweight to save on postage
• Strong seams with fins on two sides and a seamless bottom provides maximum protection. 
• Surface easily accepts ink, stamps, and labels. 
• Approved by USPS, FedEx, UPS, and DHL.