Secures firmly to the left sleeve loop on all Aerostich jackets. Comes with a waterproof form for you to note vital information, such as: name, age, address, phone numbers, contacts, blood type, allergies, family doctor and other information that communicates for you, in the event you cannot. Includes an adhesive loop strip for use on helmets and non-Aerostich gear. 5.5"×1.5". Specify Red or Hi-Viz Yellow.