With an adjustable shoulder strap which can be used as a messenger bag

Small and exquisite appearance,perfect compatible with the bicycle frame. Velcro strap design for quick release and installation,which can effectively prevent the slide,and can protect the scratch of the frame. With an adjustable shoulder strap which can be used as a messenger bag .MOLLE system designed on the top which compatible with bicycle phone bag. The left side with velcro for sticking to all kinds of military badges,perfect for cycling fans!Suitable for most kinds of bicycles, such as fast riding, road bike and mountain bike.With zipper pocket, safer for inside items and convenient to open and close.Double bags, able to take more items External pockets hold items for immediate access,you can put your wallet,cell phone,keys,etc.