Water-repellent lining, waterproof interior, easy to clean. Fabric with soft padding provides maximum protection, reducing shock when driving on the road. Cool drinks at handInsulated lining keeps your drink and food cold or warm for hours, Suitable for those who like to take fresh drinks or snacks with them want. Pocket with Elastic Bungee1)Elastic bungee cord at the top to keep your clothes, rain jacket or maps securely on the pocket. 2)Open back pocket with elastic strap keeps your water bottle in place. Or store other things like repair tools, small air pump, etc. Multi-functional bike bag Detachable adjustable shoulder strap for convenient carrying and relieve your back. Lightweight and practical, it can be used not only as a pannier, but also as a tote bag and shoulder bag with adjustable shoulder strap. Reflective elements for better visibility and safe driving at night. Easy installationAdjustable fastening straps for assembly and disassembly. It is universal for all types of bikes with a rear seat, such as mountain bikes, road bikes, etc, and also fits most bike racks.