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USPS Shipping Template, Mail Measure, Mail Sizer, Slot Template, Letter Envelope Size Guide, Measuring tool for USPS letter flat large envelope : Amazon.co.uk: Stationery & Office Supplies
![USPS Shipping Template, Mail Measure, Mail Sizer, Slot Template, Letter Envelope Size Guide, Measuring tool for USPS letter flat large envelope : Amazon.co.uk: Stationery & Office Supplies USPS Shipping Template, Mail Measure, Mail Sizer, Slot Template, Letter Envelope Size Guide, Measuring tool for USPS letter flat large envelope : Amazon.co.uk: Stationery & Office Supplies](https://m.media-amazon.com/images/I/71+r2YdWGXL._AC_UF894,1000_QL80_.jpg)
USPS Shipping Template, Mail Measure, Mail Sizer, Slot Template, Letter Envelope Size Guide, Measuring tool for USPS letter flat large envelope : Amazon.co.uk: Stationery & Office Supplies
![Where to affix shipping label on large mail envelope? Anywhere or top right corner? I'm a Canadian dropping mail when in US. : r/USPS Where to affix shipping label on large mail envelope? Anywhere or top right corner? I'm a Canadian dropping mail when in US. : r/USPS](https://preview.redd.it/xq1apt46a6b41.jpg?auto=webp&s=9aba709a00ed606f55f5d00ff9425d69f2a8c9a1)