In an emergency medical situation, you may not be conscious enough to tell rescue crews your blood type. The convenient blood type tags from Voodoo Tactical make it immediately obvious, saving crucial seconds as medics potentially rush to save your life. With an easy-to-use hook and loop strap and a quick-release snap hook, they attach quickly and securely to clothing, packs or vests. They are well-suited for on or off duty wear. Their lightweight and unobtrusive size makes them easy to tote with you on a daily basis--and, one day you might just be glad you did.