Hazard 4 O+ Blood Type Marker 2 Pack Black

Hazard 4 O+ Blood Type Marker 2 Pack Black. The 3-d injection-moulded rubber marker is far more durable than the traditional solution since it cannot be wiped off scratched-off or dissolved by most solvents. A more professional choice for a unit or individual operator in its appearance it more importantly prevents mis-reading (imagine B+ becoming B- after some trail-wear). The form-factor allows multiple fast-mounting methods. In keeping with the on-boot tradition weave them into boot laces eith