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Disposable cups brought us great convenience, but people often use disposable cups will feel. Cups very soft. And easy hot. Cupholders can solve these problems, but this requires that we have to purchase another so I thought would work indentation after the end use. indentation along the upper part of the cup on the cup torn central pressure. partial cover under another new cup. can into a cup holder, so that not only solve the problem also reuse the old cups.
Jian Xu Zhenmin Hao Yanlong Ma Xin He