STERLING SILVER MEDICAL ID NECKLACE – An elegant design that retains vital allergy or medical information, this sterling silver necklace is the perfect way to protect yourself or your loved one. THREE CHAIN LENGTHS – Available in 18-inch, 20-inch, or 24-inch chain length to match your style exclusively. FOUR CHAIN STYLES – All lengths are available in curb, cable, box, and rope chain. SUBTLE, YET RECOGNIZED - Embossed medical emblem is subtle yet widely recognized by emergency personnel. Proof that good things come in small packages!