Material: 85% Nylon, 15% Spandex Flat Length: 23.3 cm/ 9.2 inches Flat Width: 4.8 cm/ 1.9 inches Diameter: 46.6 cm/ 18.3 inches (with elasticity they fit almost any head size) Stylish and Premium Quality: These sweatbands are made from superior quality nylon-spandex materials which are soft, stretchable, and provide natural comfort during usage without any itching or skin irritation Moisture Wicking: Their breathable fabric will keep you feeling cool while wicking away sweat during your workout without slipping around Breathable and Odor-Resistant: These sweat headbands breathe well and protect your eyes from sweat Comfort and Stretch: The high-quality soft stretch fabric will fit your head perfectly and comfortably without being too tight or too loose Designed for Training: These super absorbent sweat headbands are ideal for running, walking, hiking, marathons, yoga, and any type of aerobics class like spin, horizontal conditioning, and CrossFit