Current price: From $28.75 Priority Mail – The item you ship should arrive within three business days Current price: Flat Rate Envelope: From $9.65 USPS Mailing Box: From $10.20 ...

Legal Flat Rate Envelope: $10.40 Padded Flat Rate Envelope: $10.85 Small Flat Rate Box: $10.65 Medium Flat Rate Box: $19.15 Large Flat Rate Box: $26.30 APO/FPO/DPO Large Flat Rate Box: $25.05 ...

The priority mail flat rate also decreased by about 1.7% beginning in January. A full list of the changes going into effect in July can be found at www.usps.com.