The words "Pediatric Stroke Awareness" are etched in a heart charm that measures 5/8 by 5/8 inches tall on these gorgeous Pediatric Stroke Awareness Heart Charm Keychains, which are sterling silver plated keychains. This can be attached to your preferred handbag or your pet's collar. The diameter of the keyrings is roughly 1 1/2 inches. Each keychain is packaged in a bag with sterling silver plating.