In USA:
USPS First-Class: 5-7 Business Days
USPS Priority: 1-3 Business Days (quoted by USPS)
USPS Priority Overnight: 1-2 Business Days (quoted by USPS)
Outside USA:
DHL Express: 2-5 Business Days
DHL Global Mail: 8-21 Business Days (could take up to 3-4 weeks for certain countries)
