Aster June headbands/fashionable face shields 100% polyester. Can be washed in hot water and dried in hot heat to prevent germs Multiple functioning headband perfect for fitness/running, fishing, hiking, biking, skiing/snowboarding, gardening and more! AJ headbands are a great gift for anyone, can be used for fitness, as a neck gaiter, bandana tube, fishing mask, sport scarf , face shields, wind or dust screen, balaclava, pirate-style cap, scarf or helmet liner, yoga session