The present invention relates to the structure of a cosmetic case, and in particular, the cosmetic material stored inside the cosmetic case is sealed to prevent external air from passing through, preventing the volatile components of the cosmetic material from being evaporated and cracked or deteriorated by a chemical reaction. It relates to a cosmetic case. The present invention for achieving the above object is a casing body formed on one side of the receiving portion made of an outer wall protruding to a certain height so that the cosmetic material can be accommodated and a plurality of protrusions are formed at regular intervals on the outside. The lid is hingedly connected to the case body to open or close the receiving portion, and when the receiving portion is closed, a lid having a protrusion formed at a lower end of the outer wall protrusion is attached to the lower portion, and the lid is attached to the inner side of the lid to accommodate the lid. When the part is closed, it is located between the inner side of the lid and the upper end of the outer wall and is composed of a packing that completely closes the receiving part, thereby providing an effect of preventing cosmetic materials from being cracked or oxidized by evaporation and becoming deteriorated. do.
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