Y2K Water Resistant:The front outside surface is made of water-resistant nylon material, so you’ll never worry about your belongings getting wet or moist in rainy days Stable Water Bottle Holder: (Bottle not include)There is an elastic rope on the water bottle holder mouth, which efficiently keeps your bottle stable and safe while running or jogging Multiple Pockets: 2 separate zipper pocket and a small front pocket are very convenient to keep your iPhone6/6s Plus/7 Plus, keys, card, wallet, cash, etc. Adjustable Buckle Belt:The adjustable strap fits comfortably around your waist, and the buckle closure makes it easy to take on and off Safe & Breathable:Reflective strips on the storage bag can effectively make you seen in the dark, it is a nice secure design for night running; while the back mesh pad allows it breathable and keeps your waist dry and fresh while exercise