The Blood Type Tactical Buckle O+ Positive is a functional and stylish accessory designed for those who want to easily identify their blood type. Featuring a sleek black background with clear and bold "O POS" lettering and a red "+" sign, this buckle is ideal for medical professionals, first responders, or anyone who values preparedness. MOLLE-compatible and crafted from durable PLA plastic using 3D printing technology, this buckle is perfect for adding to tactical gear such as backpacks, vests, and belts. It's an essential combination of utility and identity.