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Most design for a bottle cap are sucker to attract head. The design of this product is different, above the cap with a cup. It is convenient to use with one hand.It is easy to make the current of water upward to the cup. After knowing the pumping discharge, the user just pulls the cap to drink. It is reusable and reduse the environmontal pollution.
JIAN, YI-TING
Kaohsiung City, Taiwan
JIAN, YI-TING
Kaohsiung City, Taiwan
