2017年9月29日星期五

Backpack zipper:

hydration hiking backpack open and close the pocket approach commonly used zipper, according to the characteristics of outdoor sports, many backpack with waterproof zipper, which is characterized by open and close, with a strong pull, there is a certain waterproof performance. It should be noted that most of the current outdoor backpack using waterproof zipper is not able to achieve complete waterproof. When buying to try to choose the main zipper for the big tooth zipper, such a zipper pull smooth, high strength.

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