Originally Posted by Favorite Fabrics
As far as I know, the only GUARANTEED services are Express Mail, and Global Express Guaranteed. Mail sent using these services is supposed to arrive by a certain time. And you will pay extra for this.
:thumbup: As is clearly stated on the USPS website.
And, I think, those Dec 24th deliveries have a cut-off ship by time/date even for guaranteed services, where the PO is absolves themselves - with full disclosure - of getting it there by then.