Allows you admission for 3 days into Magic Kingdom, Epcot, Disney's Hollywood Studios, OR Animal Kingdom. You can only visit one park on each day. Your pass expires 14 days after you go through the gates at the Disney Theme Parks.

 

You can certainly add the No Expiration Option onto your pass. If you would like to add the No Expiration Option to your ticket, your unused days never expire. Your unused days are good for a future visit to Disney World.