These headbands are made of two-layer thick cotton and stretchy spandex, hold up well and keep their shape after machine washing; Light-weight and comfortable to wear, non-slip to stay in place. Double layers provide more absorbency to hold sweat well; Absorbs your forehead's sweats efficiently, keeps sweat and mess hair away from your eyes, and they help you keep dry on hot days. Great for all kinds of sports -- tennis, basketball, baseball, football, softball, volleyball, running, working out in the gym and so on.