Running bum bag: Get an adjustable running belt in black! Reflector: Features a reflector for visibility when you're running in the dark. Multiple pockets: Store your workout necessities, and the bag features a cut-out headphone hole. Features: Weather resistant and quick-drying, as well as lightweight and durable. Material: Constructed with skin-friendly, soft and breathable material. Strap: With an adjustable elastic strap for around your waist. | Black Adjustable Running Belt | Wowcher