1.Our water bottle organizer is carefully crafted from high-quality, durable nylon that is resistant to wrinkles and wear. 2.Multifunctional Design: Conveniently store your phone, keys, cash, cards, earphones and daily necessities. No more hassle with extra bags during activities like hiking, cycling, running, working out at the gym, etc. Your necessities are always within reach. 3.Ultimate Carrying Experience: With an adjustable, padded shoulder strap and a carrying handle. Whether you wear the cup holder over your shoulder or hold it in your hand, enjoy your activities with complete freedom. 4.Protect and Enhance Your Cup: Say goodbye to scratches and dents on your cup. Moreover, the design of our cup holder not only protects your cup, but also enhances its insulation properties, so your drinks stay fresh for longer. 5. The Ultimate Partner for Your Tumbler: Whether you're doing your daily work, going on adventurous hikes or working out at the gym, our cup holder with strap ensures your Tumbler is always easily accessible and protected. 5.It is best suited for water bottles with a capacity of 800-1000ml. It is recommended to use a water cup with a diameter of less than 9cm. Please note: Due to manual measurements, there may be a deviation of 2-3cm, which is within the normal range. Please refer to the actual object for the specific size.