I love my piece of disney history pins, I keep them on a lanyard in my car so I can have a piece of the magic with me everywhere I go. However! the piece of disney history pins do not like heat and sunlight. I don't know if its the plastic bubble or the objects within them but certain pins like the tiki room feathers start to turn the bubble brown and before long you cant see whats inside. My 20,000 leagues pin is doing pretty well because the piece is metal from a portal on the submarine but my figment piece is becoming clowdy and my haunted mansion piece is loosing its color. I have had to remove them from my car and put some other mundane pins on there :(