Magnetized Material Shipping labels are used to alert shippers or transporters that instructions must be followed. These Magnetized Material labels provide an easy-to-see illustration, in order to notify personnel. From domestic to international shipments, these labels are required when shipping magnetized materials via air. These label conform and meet the requirements under DOT CFR 49, ICAO / IATA guidlines for shipments by air. Labels measure 4 1/2" x 3 1/2", made of pressure sensitive peel-off heavy weight coated paper with fade-resistant UV-inks for maximum durability. Use these labels when shipping Magnetized Materials via air.