Olive Drab OPOS O+ NKA OD Blood Type No Known Allergies Morale PVC Rubber Fastener Patch

PVC First Aid Patch 2x2 O Positive Patch Compatible with Velcro PVC Plate Carrier Patches for Vest Ifak First Aid Kit Patch Blood Type Tactical Patches for Backpacks O Pos Patch (OD Green)

D-FLIFE Blood Type Patch Kit 3D PVC A+ B+ AB+ O+ Positive A- B- AB- O- Negative Rubber Fastener (A+)