This fanny pack is made of waterproof nylon fabric. Adjustable strap with quick release buckle for any length you need. Use it as your cross bag, shoulder bag, waist belt bag, sling bag. Features one hidden back pocket which can store phone, wallet, keys, ID cards. Main zippered compartment including 3 separate mesh slots to keep your small essentials organized. Give you great hands free experience with max brand exposure while joging, riding, walking, running, biking, or other outdoor events. 8" W x 5 1/2" H