France began its widespread use in 1955.
Backpack capacity of about 40 L, made of canvas, left and right sides and the back side of each have a storage bag to press the buckle open and close. The main space accommodates large A4 folders, and ties under the backpack can be used to tying objects.
Overall, the design is simple, but also very practical.
Backpack size: 41 x 30 x 16 cm (error ± 1.5 cm is the normal range)
With traces of use, each item, a slight difference in color and details, random shipments.
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