you'll find that this option is usually less expensive than Flat Rate Boxes. Priority Mail Medium Flat Rate Box rates are increasing by $0. From $55 to $13, $13 becomes $75. Twenty people are ...

Small Flat Rate Box; 8-5/8″ x 5-3/8″ x 1-5/8″ Inside 8-11/16″ x 5-7/16″ x 1-3/4″ Outside $11.00 $11.35 Medium Flat Rate Box; 11″ x 8-1/2″ x 5-1/2″ Inside11-1/4″ x 8-3/4″ x 6 ...

All three carriers offer flat ... Rate or FedEx One Rate For medium and large packages, UPS Simple Rate and FedEx One Rate offer similar values. When using UPS Simple Rate, prices for medium boxes ...