This Sling Bag is made of durable canvas. Main Pocket, Mobile phone pocket, back pocket. Flexible satchel strap can be adjust loose or tight. Perfect fit for your waist. Roomy compartment to organize your cellphone, cigarette, key, cash, headphone cable, lighter. Thanks to its adjustable buckles, this fanny pack can be worn not only as a waist running belt, but also as a shoulder bag or a messenge.