These essential blood type identification patches are designed for tactical gear, uniforms, and emergency equipment. Each pack includes 4 identical A+ (A Positive) PVC patches measuring 1.97 x 0.98 inches. The high-contrast red background with white lettering ensures clear visibility in various conditions. The PVC construction maintains its appearance while resisting wear and tear. Hook and loop fastener backing allows for quick attachment and removal from compatible surfaces. These patches are ideal for military personnel, first responders, outdoor enthusiasts, and anyone needing to display their blood type information. The professional-grade design features clean, precise lettering and medical cross symbol that stands out against the bold red background. Perfect for attaching to bags, vests, plate carriers, or other tactical equipment where blood type identification is crucial.