Our bike trunk bag can be hold on the backseat stably, convenient to install and unload in seconds, suitable for most bicycle racks, such as mountain bike, road bike.DIANYADIANPUDear, welcome to your shopping home and hope you enjoy your shopping.Product name: Bicycle rear rack bagMaterial: high density 600D nylon clothSize: 53CM * 35CM * 33CMPacking capacity: 50LWeight: 1.5 kgScope of application: bicycle loadNote: This product contains only one bicycle back pocketApplication scenarios: mountain bikes, road bikes, recreational bikes, folding bikes and other bicycles.Tips: 1. If there is any damage during the transportation or you are not satisfied, please contact us via email, we will solve it for you in time, please believe2. Size description: Manual measurement will cause an error of 1-2cm, depending on the actual size3. Picture description: This product is kind. Due to light, angle, display and other reasons, there will be some color differences, please forgive me.