Material: Made from nylon and silicone. Activewear: Get a rotatable and detachable running armband. Ideal for use while Running, cycling, climbing and more. Suitable for: Mobile devices measuring between 4-6.5 inches. Functional & practical design: Features 360° rotation for ease of use. Colour: Supplied in black for versatility - made to suits all of your workout clothing! | 360° Rotatable & Detachable Running Armband - Black | Wowcher