Enhance your biking experience with the ROCKBROS Bicycle Bag. Engineered for the modern cyclist, this high-quality bike accessory integrates seamless waterproof capabilities to safeguard your essentials against unpredictable weather. Its key feature is a touch screen-friendly compartment, designed to hold phones up to 6.5 inches, allowing you to access your device on the go without having to compromise on protection. The bag snugly fits on the top front tube frame, making it compatible with both MTB and road bikes. It's not just a bike bag, it's an indispensable partner for your cycling adventures.