Product Performance100% polyester fiber (polyester),High elasticity and seamless, cylinder block, soft texture, skin-friendly, breathable, water-absorbent, quick-drying, soft and close-fitting, non-balling, non-marking, no odor, easy to clean, soft and skin-friendly fabric, timeless all-match method, no lock Edge, better elasticity, washable without fading. Applicable SceneBeach, biking, -country, mountaineering, rock climbing, skiing, travel, fitness, etc. Multi-purpose, can be used as a turban, face mask, wrist guard, bib, headband, headband, pirate hat, mask, riding mask, etc. One size fits all,for kids and adults. Washing InstructionsHand wash, not machine wash, water temperature not higher than 40 Centigrade, do not bleach, avoid exposure to sunlightInstructions for Use1. When going out for fishing, , cycling, hiking, snowboarding, motorcycling, skiing, shoveling snow, other activities, wearing it as headwear, scarf, face cover, or motorcycle face cover will block up to 95% of the harmful ultraviolet rays from your head, face, neck, and ears, and keep your nose, mouth clean from breathing dust. 2. The quick-dry fabric technology lets your face mask bandana dry in minutes, instead of hours. Wear it to protect your face from getting burned from the sun!Special NoteThis size data is normal due to different measurement methods. The error is within 1-2cm.