Ensure the ultimate security and peace of mind for your valuable documents with Go Secure Blue Flat Mailing Pouches. Measuring 286 x 336mm, these flat pouches are specifically designed to keep your important contents safe and protected during storage and transportation.Go Secure's innovative tamper-evident design discourages tampering and safeguards your documents from prying eyes. The frustration of damaged documents during mailing is a thing of the past. These tough mailing pouches are constructed from heavy-duty, weatherproof material that shields your documents from rain, snow, and other harsh elements. They're built to last, so you can reuse them confidently, knowing your important contents are securely enclosed.For added convenience, each pouch features an internal address window, eliminating the need for separate envelopes. Simply slip your documents inside, utilize the designated label patch for franking labels or stamps, and your secure package is ready to be sent.