Constructed by 600D Nylon
1. Dual-pocket design allows the small pocket to hold an iPhone 4-sized mobile phone and the large pocket to store other electronic devices such as the mp3, second mobile phone, passport and notebook. Bottom pocket with large zipper can be used to save a few bank notes and some change.
2. Shoulder width can be freely adjusted for convenient carrying. It is almost concealed after you put on your jacket while featuring anti-theft function. You don't need to worry that you may feel hot after a long time thanks to the back made of breathable mesh.
3. Just thread the shoulder strap into the right arm. Fix and connect the upper strap and backpack with a steel ring in the left shoulder position. It keeps the state of being clamped then by the armpit becasuse of human body's natural movement.
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