- Durable Material: Our bike cup holder features a robust three-layer construction. The outer layer is made of water-resistant polyester, ensuring lightweight and scratch resistance. The middle layer consists of pearl cotton for excellent shock absorption, while the inner layer uses aluminum foil for effective heat preservation and cold insulation. - Versatile Drawstring Design: The adjustable drawstring allows for a snug fit around bottles with diameters up to 7cm. This design accommodates various containers, including plastic water bottles, soft drink bottles, travel coffee cups, and sports water bottles, ensuring your beverages stay secure. - Stable Three-Point Attachment: The bike water bottle holder is equipped with three adjustable velcro straps that create a stable triangular structure. This design minimizes movement while riding, allowing you to enjoy a smooth and uninterrupted cycling experience. - Convenient Side Pocket: A thoughtfully designed mesh pocket on the side provides extra storage for small items such as your phone, charger, or keys, helping you stay organized during your ride. Use Scenarios: 1. Daily Commutes: Keep your hydration within reach during your daily bike rides to work or school. 2. Outdoor Adventures: Perfect for cycling trips or mountain biking, ensuring your drink and essentials are safely stored. 3. Fitness Routines: Ideal for gym enthusiasts who want to easily transport water or energy drinks while biking to the gym. Experience the convenience and practicality of our bike cup holder, designed to enhance your cycling experience.