Assemble your favorite Avengers with this Cosplay Mini-Backpack Mystery Box Key Chain Case of 15! Featuring 6 possible mini-backpack key chain designs that include Black Widow, Iron Man, Captain America, Captain Marvel, Thor and Black Panther! Each key chain measures approximately 3-inches tall x 2 1/4-inches long x 1 1/4-inches wide. For ages 6 and up. The Avengers Cosplay Mini-Backpack Mystery Box Key Chain Case includes 15 individually packaged key chains.