Waterproof Bicycle Top Tube Bag Cycling Phone Mount Holder Case for 6.4 Inch Mobile Phone This bicycle top tube bag is made from waterproof EVA hard shell with double zipper closure to keep your items dry in rainy days. It features a touchscreen TPU window compatible with screen sizes up to 6.4 inches, allowing you to use your mobile phone or view online maps clearly under the sun visor. The earphone hole offers great convenience for answering phone or listening to music while riding a bike. With reflective strips, the bicycle bag shines bright and provides good visibility for a safe ride. This bag is very easy to install and quickly release, great accessory for any cyclist. Features: EVA hard shell keeps the bag in shape, waterproof and impact-resistant. With high sensitivity TPU film window, you can use your touchscreen cellphone on a ride, compatible with screens below 6.4 inches. Sun visor on the top helps you watch phone screen clearly. Seamless double zippers provide easy access