MARVEL-OUS COLLECTIBLE: Show off your love of Marvel with this unique key chain celebrating Iron Man's legacy! STYLISH DESIGN: Key chain pendant depicts Iron Man's Arc Reactor and reads "Proof that Tony Stark has a heart". QUALITY CONSTRUCTION: Durable metal construction ensures years of use. FUN & FUNCTIONAL: Comes with a handy o-ring attachment and lobster claw clasp to tote your keys. GREAT GIFT IDEA: Purchase this pin for yourself or gift it to the Marvel fan in your life!