- Experience seamless navigation on the go with our highly sensitive TPU window. This feature allows you to easily view your phone's navigation map while cycling, ensuring you stay on track without fumbling with your device. - Constructed from premium waterproof material, the bike upper tube bag protects your belongings from the elements. Its secure closed zipper and loop belts provide added stability, keeping your items safe during your ride. Key Features: - High Sensitivity TPU Window: Easily access and view your phone's screen, perfect for navigation while biking. - Waterproof Construction: Made from durable, high-quality materials to keep your items dry in various weather conditions. - Secure Closure: Features a reliable zipper and loop belts to ensure your belongings remain secure and accessible. Use Scenarios: 1. Daily Commutes: Attach the bag to your bike's upper tube for easy access to your phone while navigating through city streets. 2. Long Rides: Keep your phone and essentials safe and dry during extended cycling trips, even in unpredictable weather. 3. Mountain Biking: The secure fit and waterproof design make it ideal for off-road adventures where durability is key. Compatibility: Designed to fit most standard bike frames, this bag is versatile and functional for all cyclists. Size: Compact yet spacious enough to hold your phone, keys, and other small essentials without adding unnecessary bulk. Make your biking experience more efficient and enjoyable with this practical bike upper tube bag, merging functionality with quality.