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![All about Priority Mail Regional Rate [Updated with 2018 Rates] - Online Shipping Blog | Endicia](https://online-shipping-blog.endicia.com/wp-content/uploads/2017/09/USPS-Priority-Mail-Regional-Rate.jpg "All about Priority Mail Regional Rate [Updated with 2018 Rates] - Online Shipping Blog | Endicia")
All about Priority Mail Regional Rate [Updated with 2018 Rates] - Online Shipping Blog | Endicia
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Can I use this flat rate box to send an international package? Or is there a different one I should use? Thanks! : r/USPS
International Mail Services & Shipping Rates | USPS
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International Mail Services & Shipping Rates | USPS
Priority Mail Large Flat Rate Box 12 1/4" x 12 1/4" x 6" – Stamps.com Supplies Store
