Optimal Protection and Convenience: This for bike bag is crafted to offer superior protection against water, ensuring your belongings stay dry even in adverse weather conditions. Its touch screen compatibility allows for effortless use of your phone up to 7 inches, making it perfect for navigation or tracking cycling apps. and Secure: Designed with robust materials, the bag ensures and protection against daily wear and tear. The secure mounting system keeps the bag firmly in place, even on rough terrains, providing peace of mind during your rides. Enhanced Functionality: The bag features a streamlined design that does not interfere with your cycling. Its ample storage space is ideal for carrying essentials such as tools, snacks, and other personal items, making it a must-have accessory for any . Product name:EVA hard shell top tube bag Colour:Black Material:EVA Composite Leather Size:11.5cmx22cmx10cm Package Contents: 1 * EVA hard shell top tube bag Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.