10 Pack Multi-Purpose Ultra-Breathable Headband Neck Gaiter Material:100% POLYESTER MICROFIBER, Seamless, Light Weight, Absorbent, Breathable, and Quickly Dry. Suggested Use:Biking, Hiking, Workout, Yoga, Running, Riding, Motorcycling, Working, Face Cover, Factory Work, Manufacturing Work. Perfect For People Who Want To Have The Option To Wear It As Single Layer Or Double Layer For Comfort Of Breathing. Can Also Be Used To Wear Over A Regular Face Mask. Size:Length x Width(Flat)=18.8x9.4(Inch) Appropriate for head circumference 53-62(cm)/20.9-24.4(inch) Reminder: Special RAW edge design to make sure the soft touch and it will naturally curl when opened. This will NOT unravel! This Face Mask Bandana is Made with Ultra Breathable Material To Avoid Suffocation, If You Want To Make It Thicker, You Can Fold The Top Part To Make It A Double Layer Mask. Wash Instructions: Cold Wash. Do not iron. Air dry only.