This can happen sometimes.  The USPS can scan a package as delivered when it may still be on the way to you.  Please wait 3 days from when you receive a delivery notification.  You an also check with neighbors, look around in your usual mail delivery area or contact your postal carrier.  If after 3 days you still don't have your package, please reach out to us at customerservice@buybluesteel.com to see what we can do.