Our military packing list envelopes stick aggressively to corrugated boxes , paper, metal, wood, or plastic.
The military design is labeled with Packing List Enclosed making the contents securely hidden.
All sizes below meet government spec A-A-1659A
The K4JMR10 is also printed with THIS ENVELOPE CONTAINS IMPORTANT PAPERS. DO NOT DESTROY.
These 2 mil poly back-loading packing list envelopes form a tamper-resistant pocket. Insert document through the slit in the back, peel off the backing and stick to the package. The pocket must then be torn or cut open to retrieve the documents.
The dimension with the opening is the first dimension listed in the size description.