AONIJIE Sweat GUTR Sweatband for Running Hiking Cycling Badminton basketball Football Tennis Yoga or Travel New Creative Design:With bilateral vent heat dissipation to prevent sweat into the eyes and glasses and helps keep you cooler and drier. Also fit to use under most helmets with adjustable Longer durability Velcro and head circumference 22.83-24.41 inches(58-62CM) Soft Composite Material:Food grade silicone materials headband for fitness Size and weight:only 0.1pound(46g), Length:25.79inches(65.5cm) width:0.59inches(1.5cm), Portable carry Sleek, low profile design for maximum air flow Washing: Easy care - just rinse and go,convenient and shortcut