These Autism Awareness 4 Puzzle Piece Cluster Charm earrings have charms with 4 crystal puzzle pieces put together. One puzzle piece is yellow, one is red, one is blue and one is green. The sterling silver plated earrings are approximately 3/4 inch by 3/4 inch. Each pair of autism awareness earrings comes in a bag. These beautiful and unique earrings are the perfect item to give as a gift or wear to support Autism awareness.