This can be concerning, but before contacting Customer Care, please check the following:Check with family members, neighbors, co-workers, a building manager, apartment office, or others who may have accepted your order on your behalf.The carrier may have placed your order somewhere near your door, out of plain view.  Look for your order in places such as the back door, garage, or behind bushes.  Check your tracking information to see if a location was noted.UPS has a service called UPS Access Point.  If you are not available for your delivery, the delivery driver may take your package to an Access Point for you to pick up.  Check your tracking information to confirm the delivery location.Allow 48 hours - in rare situations, or during peak delivery times, packages may state delivered up to 48 hours prior to their arrival.If it has been 48 hours past your delivery notification and you still haven't located the delivery, contact our Customer Care Team at shipping@prismlensfx.com for further assistance.