In the movie Edward, Emmett and Jasper are wearing matching wristbands with a symbol and Rosalie and Alice are wearing the same symbol on necklaces, what is the significance of these items?
It's the Cullen Crest
the lion represents strength and ferocity, which is a characteristic of the vampires. The hand is faith and sincerity, showing that the Cullens are loyal to each other. The trefoil at the bottom is perpetuality, which is lasting forever, showing the vampires' inability to die naturally