average shipping cost for small business shipping to russia USPS Priority Mail Express Open & Distribute® Service international shipping rates from canada USPS Priority Mail Flat Rate® Envelope us to canada delivery service shipment from india to canada USPS Priority Mail Return® Service buy a fedex shipping label net https://uspsprioritymailexpressfl69371.suomiblog.com/a-review-of-usps-first-class-mail-43921911