Compact cosmetic case with airtight sealed structure

A compact cosmetic case comprising:

• a body having an inner casing therein, the inner casing defining a containing space to receive a cosmetic therein;
• an inner lid hinged to the inner casing and having a powder puff seat, the inner lid formed of a transparent resin;
• an outer lid to define a cover of the body, the outer lid hinged to the body at a first side thereof;
• a locking unit provided on the compact cosmetic case at a position at a second side of the outer lid diametrically opposite to the first side so as to lock and unlock the outer lid to and from the body, so that the body is open and closed by the outer lid;
• an inner groove formed around an upper surface of the inner casing, the inner groove having a rubber seal therein to seal a gap between the upper surface of the inner casing and the inner lid when the inner lid is in closed position;
• a locking hole formed on the inner casing at a position corresponding to the second side of the outer lid diametrically opposite to the first side at which the outer lid is hinged to the body;
• and
• a locking lever having a locking projection and formed on the inner lid to be locked to the locking hole;
• wherein the locking hole comprises a locking opening, with a pair of elastic projections projected inwardly from centers of both sides of the locking opening to form an H-shaped appearance of the locking opening.