Don't stress out! Keep these dates in mind when making your purchases, and you'll get your purchases in time before Christmas Day.
December 16 - FedEx Ground
December 19 - USPS Priority Mail and FedEx 3-day
December 22 - FedEx 2-day
December 23 -FedEx Overnight
However, if you do find yourself in a bind the night before Christmas, you can purchase a WaterField E-Gift Card, which is sent via e-mail so you can forward it to your intended recipient in the nick of time.