Who Am I - LED ID BAND (RED); ID Bracelet; Wrist ID; SLAP'N GO; Blink or Glow; Sport ID, Safety and Visibility bracelet, Night Running Gear, Runners ID, Cycling ID Bracelet, LED Fits All ID (red) &#9989 THE ONLY 2 in 1 Wrist ID providing VISIBILITY + Complete IDENTIFICATION. Write your info on a waterproof polymer band (included) using a permanent Marker and it will not erase -even under rain or with sweat! &#9989 "THE MOST COMPLETE IDENTIFICATION of the market; Write your NAME, CONTACTS (name + phone number), Medical and Allergies, Blood Type. &#9989 HIGH VISIBILITY (LED) It lights-up or blink IDEAL for Night Sport Visibility  RUNNING, CYCLING, trekking or just walking the dog! or even when traveling and you do not want to carry your purse or bags for ID. &#9989 EASY CHANGEof your ID. Replace ONLY the waterproof personalised ID band inside. (2 included)- also sold separately &#9989 BATTERIES (INCLUDED) are AFFORDABLE and VERY EASY to replace. Batteries will last around 70 hours