1.【ADJUSTABLE SIZE】: The running belt with water bottle holder can be adjusted to the size of Sherhe, the pocket fits most smartphones, and the water bottle holder can hold a capacity of 750ml/27oz/7cm in diameter. (not including water bottle) 2.【Simple and Stylish Gifts】: Stylish gifts for ladies and men to enjoy all kinds of outdoor activities. Play with friends and free your hands. Suitable for all kinds of outdoor activities such as - party, travel, running, walking, cycling, hiking, etc. A fanny pack is a simple and stylish gift for women, men, children, family and friends. 3.【Comfortable to wear】: This outdoor running belt is designed with a 45-degree angle bottle holder, which can solve the weight of the buttocks, ensure that it will not shake when exercising, fit the body curve, and bring a comfortable carrying experience. No bounce for a stable fit and easy to use for races that require light weight and speed. Distribute the weight of your items evenly for a bounce-free ride while you run, hike, marathon or bike. 4.【Multifunctional Pockets】: The waist bag with water bottle holder has two zipper pockets, which reasonably separates valuables, can accommodate mobile phones, and the inner pocket is designed for keys, credit cards, ID cards, keys, tissues, chocolate bars, energy gel packs , running accessories to avoid screen scratches, headphone sockets to enjoy music while running, and anti-theft zipper buckles. 5.【Reflective Design】: The mountaineering water bottle holder adds reflective strips to the sides of the multifunctional pockets and buckles. The design will have obvious reflections in the light. It gives you greater safety when running at night.