A sealing clip comprises: a body part provided such that an inner space is formed by a pair of members mutually connected by a coupling means; a handle part formed at one end of the body part; and an elastic part provided on inner circumferential surfaces of the pair of members of the body part. The elastic part comprises: first and second elastic portions respectively provided on upper and lower parts of an inner circumferential surface of a first member of the body part; third and fourth elastic portions respectively provided on upper and lower parts of an inner circumferential surface of a second member of the body part. The first and third elastic portions provide an upper engagement structure, the second and fourth elastic portions provide a lower engagement structure, and engagement interfaces of the upper and lower engagement structures do not coincide with each other.