These Lithium Battery labels are required on all packages carrying lithium batteries shipping via air. This lithium battery label allows customers to mark which type of lithium battery is being contained in package. Also provides room for customers to enter a telephone number for additional contact. This label conforms and meets the requirements under DOT CFR 49, ICAO, IATA guidlines for shipments by air. This label measures 4 1/2" x 5" in. Made of pressure sensitive peel-off heavy weight coated paper with fade-resistant UV-inks, enabling maximum durability. Use these labels if you're shipping lithium ion batteries or lithium metal batteries via air.