This is the Disney Princess Cinderella Pez backless dress version. The Disney Princess Cinderella Pez dispenser is part of the Disney Princess Pez dispenser series! The Cinderella pez can be found with a backless dress as shown on the right in the photo or with the blue line across the back (shown on the left of the photo for comparison) which is the more common version. This backless dress Cinderella pez dispenser comes loose and ready to display!
