Large Capacity Hard Shell Bicycle Top Tube Bag With Earphone Cable Hole Design, Built-In Hook And Loop Fastener To Secure Phone Firmly Without Shaking During Riding, High Transparency Touchscreen For Smooth Navigation Operation, Wear-Resistant And Pressure-Resistant, Universal For Outdoor Commuting Mountain And Road Bikes, Rain-Resistant Splash-Proof Storage Bag, Stable Strap Installation Easy To Install, Suitable For Large Screen Phone Storage Bicycle Accessories, Outdoor Cycling Tool Bag Storage Bag