Zipper is the best zipper brand in the world. Even the standards of the zipper industry are basically formulated based on it. There are also strict regulations regarding the color of zipper tapes. One of them is that it must match the color of the clothing fabric. Same color. The colors of the zipper teeth and straps used in outdoor clothing currently on the market are close to or consistent with the color of the clothing fabric. Even for color-matched clothes, the colors of the zipper teeth and straps are at least the same as the color of the fabric. The color is close or consistent. But there are also cases where contrast is emphasized in order to highlight the design effect. Therefore, according to this principle, we can also identify the authenticity of the product,
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