The use of these B Negative (B-) Blood Type Markers will help ensure your survival should you become injured or incapacitated in the field. When treated by first responders, these markers will signal your need for B- blood in the event of a transfusion being required.
Features:
- 3D Injection Moulded Rubber Construction - Ultra Durable Design
- Two Markers Included - One for Boots, One for Mounting with Carabiner
- B Negative (B-) Blood Type Designated
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