Per the blog:
The new collection of hand finished sterling silver and 14K gold charms was created in collaboration with Disney Consumer Products and Disney Theme Park Merchandise, and will feature inspirations from some of Disney’s most beloved characters. The collection will include 25 different styles, with an additional 16 styles found only at Disney Parks.
The locations where guests can purchase the Pandora jewelry has not been announced, but there will be locations throughout Walt Disney World resort. Additionally, Pandora is now the official sponsor of the Wishes Nighttime Spectacular.