Designed for cycling enthusiasts, this multifunctional rear seat trunk bag offers a spacious 10L capacity to carry all your essentials on short trips. Made from high-quality waterproof PVC, it shields your belongings from rain and moisture. The roll-top closure with a secure buckle ensures a reliable, leak-proof seal. Its versatile design allows it to be used as a shoulder or handbag for easy carrying off the bike. Featuring a reflective logo for enhanced night safety and a wide opening for easy cleaning, this bag is ideal for various outdoor activities including hiking, camping, and cycling.