Whether the shape of the bag is full, whether the arc is natural, whether the paste is flat, whether the angle is symmetrical, whether the fabric has obvious defects, and whether it is clean.

Whether the zipper is smoothly closed

The supporting part on the back of the schoolbag shall have soft and elastic buffer treatment, and there shall be no corner part with concentrated pressure when carrying.

The length of the schoolbag belt shall be adjustable flexibly and locked firmly.

The surface of the plastic and metal accessories installed on the schoolbag shall be free of sharp tips and burrs, so as to avoid injury to the human body or hook damage to clothing during use.

Environmental Protection

Where is the final destination of plastic shopping bags?

Third, it is discarded by users to the wild, only this part will cause environmental pollution. Specifically reflected in two aspects: one is the impact of environmental landscape, such as hanging on trees is difficult to see; the other is being eaten by small animals as a delicious meal, which is difficult to digest and life-threatening.

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