Mass storage for all your travel needs!Waterproof Multifunctional Hiking Bike Trunk Bag Made of high quality waterproof nylon with sturdy construction, this bike rack bag is very durable and suitable for biking travel. It's the perfect choice for your cycling trips, other indoor and outdoor occasions, and it can also be used as a grocery bag, or a bike bag for your daily commute to work or school!Product name: Bicycle rear rack bagMaterial: 840D nylon laminated TPU waterproof membraneSize: 34 * 19 * 46CMPacking capacity: 30LWeight: 1 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.