If the need arises, you'll wish you had one of these on your BDUs or your IFAK. Put your mind at ease with your very own blood type patch. This way they'll be able to give you the right blood you need and you won't die! Signifying your blood type to first responders saves them time and gives them the ability to treat you effectively and efficiently. 

• 1"x1"
  
• Includes hook fastener backing.
• Great for hats, bags, and jackets with loop fastener panels.
• Made in the USA