Rear Carrier Bicycle Bag with Rainproof Cover Rainproof cover: multilayer protection system made of density material and double zip seal keeps the inner pocket completely dry even in continuous rain and storms. Adaptive carrying system: The carriers are designed to provide stable hold and easy handling on everyday rides. Visibility in low light: effective reflective strips along the contours reflect light sources efficiently, making you more noticeable for lateevening commuters and leisure cyclists. Thoughtful design: builtin main compartment with dividers for wheel tools and rain jacket. Separate card compartment in the lid with protection. Reflective elements increase visibility in the dark. Specific use scenarios Daily urban commute in rainy weather: rely on the rainproof cover to protect tools, jacket, and essentials stored in the main compartment, keeping items dry between stops. Onthego maintenance and short trips: organized interior dividers hold wheel tools and a compact rain jacket for quick repairs or adjustments during rides. Afterdark or lowvisibility rides: reflective strips on the bag enhance visibility when riding in the evening, improving safety on shared streets and bike paths.