USC S-12521 - AIR LABELS - "UN 3373 BIOLOGICAL SUBSTANCE, CATEGORY B", - AIR LABELS - " UN 3373 BIOLOGICAL SUBSTANCE, CATEGORY B" , COMPLIES WITH D. O. T. , I. A. T. A. AND I. C. A. O. , AS APPROPRIATE. CORE: 3" WHITE, HIGH-GLOSS PAPER WITH PERMANENT...