Apothecary Heart Patient Necklace. This stainless steal, hypoallergenic necklace alerts medical personal of your health condition. It's chain fits comfortably around your neck and the pendant has a high polish finish for maximum visibility and stylish look. Main features of the necklace include hypoallergenic material to prevent skin irritation, high polish finish, stainless steel body that is built to last and raised lettering for easy identification. This high quality emergency necklace has a stylish look that will keep you safe.