Size: 4cm wide and 24cm long (measured by hand), the size can be adjusted by shrinking.Product features, non-slip, waterproof, reflective can directly touch the screen, fashionable.Quality level: first classProduct technology category: direct contact with skinMobile phone capacity: suitable for mobile phones with 1-5.9 screenUses: Suitable for fitness use, urban jogging, marathon, cycling, outdoor travel, etc., for personal use, for beautiful women, for parents, etc.[FULL TOUCH SCREEN FUNCTIONAL] Our mobile phone running belt can be used as a workout phone holder while providing full protection, allowing you to easily use your phone's touch screen function and headphone jack. This fanny pack is the best gift for anyone who loves sports, it is very durable and comfortable to wear.[ADJUSTABLE AND DOUBLE POCKET DESIGN] The fanny pack is made of comfortable and breathable nylon lycra fabric, which is waterproof and sweat-proof, and the tight fit ensures that the fanny pack won't bounce while exercising. Adjustable elastic straps provide optimum comfort and fit. This running bag has 2 layers inside, there is enough space for your phone, keys, cards, cash to avoid scratching each other.[SAFE AND HANDS-FREE] This hands-free grade zippered running belt phone holder is perfect for running, jogging, walking, fitness activities, hiking, cycling, exercising. Reflective strips around the front zipper and reflective mesh provide nighttime visibility and safety, enhancing "jogging safety" precautions and nighttime safety.