| 摘要 |
The inside of a water container having a narrow inlet and a wide main body or a long container such as a bottle is hard to be cleaned. To solve this problem, the present invention enables users to easily clean the inside of the container and hygienically manage the container. The present invention enables an inner container made of a soft material such as a rubber material to be formed inside the existing container and enables contents to be stored in the inner container. The inner container is made of a soft material such as a rubber material to be easily withdrawn through the narrow inlet of the existing container to be inverted. |
