Using your new black multi - material head band is super easy. Just stretch it gently and place it around your head. It can be worn during workouts, casual outings, or even as a fashion accessory. When it comes to maintenance, you can hand - wash it with mild soap and water. Let it air dry. Keep in mind that due to the presence of chemicals like lead and cadmium, avoid putting it in your mouth or near food. If you have any concerns, check the link provided for more information about the chemical warnings.