Ultra-thin Multi-purpose bagThis waist bag has an ultra-thin design, which can effectively fit everything. It is an ideal bag for all outdoor activities such as running, working out, jogging, hiking, traveling, cycling, fitness, etc.Adjustable Waist BandThe waist belt can be adjusted from 18 to 50 inches, and the holder can hold most commercial brand bottled waters and your own small-medium sized water bottle to a maximum capacity of 600 ML (Water bottle is NOT included )Reflective & Water ResistantThe fanny pack is made by soft,breathable,water resistant and lightweight stretchable nylon fabric, fits its comfortably to your body.Reflective strip can ensure your safety in the dark environment.Water resistant waist pack can effectively protect phones from rain and sweat.All materials are made by high quality that is durable to resist tear and use a long time.Best Gifts for Men and WomenEnjoy various activities and festival. The size of the running hydration belt is 12 in * 8.7 in * 2.5 in. It has 2 (two) zippered pockets, perfect for most people who want to be hands free to carry other items, for example ISO/Android phone,earphone,passport, keys, id card, wallet and other items.