Click to Enlarge B NEG FSBE Molle Blood Type Identification Strap Tag OD Features & Description: Widely used by army solider to indicate the blood type Gear up your BDU by hanging this blood type strap holder on your Vest Belt Constructed of High Density Nylon Material Strong metal hook secure various equipment onto your body Can attach to body armor, tactical vest, harness & all Molle System Specifications: Weight: 24g Blood Type Indicated: B Negative Material: High Density Nylon Color: OD(Olive Drab) Size: 215mm x 24mm   Package contains: B NEG FSBE Molle Blood Type Identification Strap Tag OD x1