Double container

A double container comprising:

• a nozzle for discharging a content through a discharge hole under pressurization of a user;
• a pump assembly for discharging the content under the pressurization of the nozzle;
• an inner container comprising:
• a first accommodation portion accommodating the content therein;
• a first edge portion disposed on a top of the first accommodation portion to accommodatedly seat at least a portion of the pump assembly thereonto;
• and a seating edge portion protruding outwardly from an outer peripheral surface of the top of the first accommodation portion;
• an outer container comprising a second accommodation portion accommodating the inner container therein and a second edge portion disposed on a top of the second accommodation portion;
• a shoulder detachably coupled to the second edge portion of the outer container and pressurizing the inner container through the coupling to the outer container to allow the inner container to come into close contact with the outer container;
• and
• a cap detachably coupled to the shoulder and covering at least a portion of the nozzle and the pump assembly thereinto when coupled to the shoulder,
• wherein when the shoulder is coupled to the second edge portion of the outer container, the seating edge portion is seated onto a top of the second edge portion of the outer container,
• wherein the shoulder and the cap are unitarily separable from the outer container, and
• wherein the nozzle, the pump assembly, and the inner container are unitarily separable from the outer container when the shoulder is in a detached state from the second edge portion of the outer container.