Wide Compatibility: This bike frame storage bag fit works with road bikes, mountain bikes, and e-bikes. Compatible with iPhone, Samsung Galaxy, Sony, Huawei and other Android/iPhone phones under 7 inches. Perfectly using as top tube bike bag and bike tool bagSpacious & Organized Large Capacity: Maximize your ride with a bike top tube bag offering 2L capacity. Safely store phones, tools, keys, and snacks in compartments. Ideal for road bike accessories or daily commutesHigh-sensitivity Touch Screen: Engineered with a high-sensitivity touch screen, the waterproof window allows instant control of your phone’s navigation, music, or calls without removing it from the phone holder for bike. Ultra-responsive technology makes phone detects fingertip swipes and taps effortlessly, even during bumpy ridesWaterproof Design: Built with waterproof polyester fiber and sealed seams for excellent waterproof performance in rain or mud. Equipped with a rain cover, it can provide better waterproof performance when used in heavy rain or when parked for a long time.Tool-free Installation & Secure Fit: Quickly attach/detach this bike top tube bag using adjustable straps and buckles—no tools needed. Durable and anti-slip hook and loop ensure stability on rough terrains