*** Measure your wrist snugly, then we will add 1/2 inch (1 Link) to that measurement.So for example if your wrist measures SNUGLY at 8 inches, we will ship an 8.5 inch bracelet (with EXTRA LINKS provided)Each link is approx 7/16 inch (about 11mm) so sizing will be roughly in 1/2 inch increments.*** Engraving Instructions:Recommended typical format:1. (25 char): Full name2. (25 char): Allergies/Conditions3. (25 char): Cond/Allergy4. (25 char): Cond/Alrgy5. (25 char): ICE 555-555-5555If you would like engraving on the FRONT side as well, please indicate clearly on the Personalization instructions.For example:BACK SIDE:JOHNATHAN M SMITHTYPE II DIABETESALLERGY TO MORPHINEICE WIFE 555-121-2121DR 555-212-2121FRONT SIDE:TYPE II DIABETESPlease note:We will always strive to ENLARGE your message to it’s largest potential on the tag to increase visibility to first responders.We will always try to CAPITALIZE your engraving unless we notice that you have taken care to EMPHASIZE certain words in which case, a contrasting character size may prove beneficial.  You can also always declare your preference in the personalization section.NEW! This medical alert watch link bracelet is waterproof and great for easy everyday wear!   It is equipped with a stainless steel medical ID tag which will provide your medical and emergency contact information on the back. This bracelet is 100% 316L Surgical Stainless Steel, which is hypoallergenic, so it can be worn by anybody!• Men’s / Women’s / Adult Medical Alert ID Bracelet – 5 lines Custom Medical Engraving Included on one side with option to engrave on BOTH sides (see product images)• Metal: Surgical Stainless Steel (316L – hypoallergenic) – in with Yellow Gold Finish• Double Sided ICE Wallet Card Included• ID Tag: 12mm x 50mm, Medical Symbol (Star of life)• Bracelet thickness: 12mm