Roswheel 12654 1L Outdoor Mountain Bicycle Cycling Frame Front Top PVC Tube Bag Bike Pouch (Black+Blue) 600D polyester, solid and durable 1 liter capacity, perfect for holding small essential items (keys, flash light), tire repair kit or cycling accessories Quick install and release, fixed with elastric cord (front ) and two Velcro straps (bottom) Fit the most of bike frames, such as mountain, road and touring bicycles Reflective logos on 2 sides for increasing visibility for motorist in dark