1Practicality: Headphones, keys, money, cards, lipstick can all be put in it. Safely carry your daily necessities while remaining comfortable and easy to move around. 2Light and Portable: This bottle bag is small and light, easy to carry and use, suitable for fitness, but also suitable for travel, convenient and practical. 3Perfect Gift: Free your hands while exercising and make a great fitness accessory gift for friends, boyfriends, girlfriends, parents, family, teachers, colleagues and classmates. 4Rational Design: Water bottle bags are designed to hold almost any water bottle and come with adjustable straps. It stays perfectly on the bottle and doesn't slip off. 5High Grade Material: This water bottle bag is made of high grade diving material, which is very strong and durable. It will not change after long use.