| 摘要 |
PROBLEM TO BE SOLVED: To provide an inside plug and a container comprising the inside plug capable of solving a conventional problem, such as dropping, with a simpler structure than a conventional structure and including a massage function.SOLUTION: An inside plug comprises a cylindrical main body part and a tip end part arranged on an upper edge of the main body part. The tip end part comprises: a recessed part and an annular edge part surrounding the recessed part on the upper surface of the tip end part; a projecting part downwardly projecting to the inner section of the main body part on the lower surface of the tip end part; and an ejection part comprising at least one slit penetrating from the recessed part to the projecting part on the tip end part. On the edge part, two grooves are formed on the same straight line passing through the center of the annular edge part so as to notch the edge part. |
