Commercial rates are slightly lesser than the post office rates, but you require a minimum of 50 parcels for the commercial pricing by USPS. One is the Post Office Rates and the second is the Commercial Rates. USPS offers two types of pricing for these boxes. USPS Flat Rate Boxesįlat rate boxes are available with USPS Priority Mail Express and Priority Mail services. For instance, the large flat rate box and the small flat rate box will cost you $17.65 and $7.05 respectively, and you can still ship products up to 70 lbs. The shipping prices of these boxes are determined by the type of the boxes and not their weights. In case you order them online, you get a free delivery to your address too. You can get these boxes without any charges from USPS post offices near you or you can also order them online.

The maximum allowed weight per box is 70 lbs. The commercial prices for the same starts at $6.55. The flat rate boxes for this service starts at $6.70 at the post offices. It usually delivers packages and envelopes in 1-3 days. Whereas, Priority Mail is a standard delivery service by USPS. Flat rate for this service starts at $24.70 with 3 box types meant for different types of items. The Express service is available to most US addresses with a few exceptions. Priority Mail Express is a guaranteed delivery service which offers overnight scheduled delivery by 10:30 am. Priority Mail Express & Priority Mail Flat Rateįlat rate boxes are available with both Priority Mail Express and Priority Mail services from USPS. Shipping Plugin with USPS Postage for WooCommerce.EasyPost Shipping Method Plugin for WooCommerce.WooCommerce USPS Shipping Plugin with Print Label.USPS Flat Rate Boxes with WooCommerce Shipping Plugins.EasyPost vs - Priority Mail® Flat Rate Box Charges.Priority Mail Express & Priority Mail Flat Rate.

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