Delight Open Heart with Nurse Hat Charm Necklace Silver Tone Open Heart with Nurse Hat Charm Necklace. Charm size is approx. 0.68 x 0.71 x 0.13 inches (HxWxD) including loop. 18-20'' 0.9mm Snake Chain Adjustable. Lobster claw clasp. Great gift. You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it!