| 摘要 |
PURPOSE: A mouth of a container capable of tightly contacting with a mouth of a refill container made of vinyl is provided to help a user to easily shift content received in the refill product to the container without bring down the refill container. CONSTITUTION: The mouth of the container and the mouth of the refill container are provided with screw threads on the inner circumferential surfaces of them respectively, thus allowing the mouth of the container to be tightly screwed with the mouth of the refill container. Alternately, the mouth of the refill container is extended enough to prevent the refill container from being fallen even if a user doesn't grip the refill container.
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