This stylish and practical medical ID necklace is sure to keep you secure. The all stainless necklace can be worn while bathing or swimming. The medical ID necklace attaches with a stainless steel toglgle. A stainless steel medical ID charm either a heart of round will be included. Your information will be engraved for free, see details and limitations below. The medical alert necklace measures about 16 inches. The smaller unengraved heart will be included in your purchase.