Uses buff headband can be worn as a headband hairband scrunchie or wrist band technical features made with coolmax extreme weighs 15g designed to fit heads with a circumference of 53 62cm208inches ndash 244inches and is 10cm deep and 245cm wide 43inches x 96inches machine washable and non iron it will not lose its elasticity treated with polygiene your buff will remain fresh as the silver ions prevent the build up of bacteria in the fabric certified to meet oeko tex standard 10