Hair pack

A wearable pack comprising:

• a first sheet having an elliptical shape;
• a second sheet coupled to the first sheet,
• wherein the second sheet has a shape corresponding to the first sheet and comprises an opening that is sealable,
• wherein an inner space is formed between the first sheet and the second sheet, and configured to accommodate a pack agent,
• wherein when the wearable pack is worn by a user, a first part of the inner space is configured to be positioned adjacent to a forehead of the user, a second part of the inner space is configured to be positioned adjacent to a back of a head of the user, and the second part is configured to be bigger than the first part,
• wherein the opening in the second sheet has a slit shape positioned in a center portion of the second sheet, and extending in a long axis direction of the elliptical shape, and
• wherein a circumference of the first sheet is sealed to a circumference of the second sheet by using at least one of sewing, heat sealing or an adhesive;
• and
• a sticker configured to be detachably attached to the second sheet, wherein the sticker is configured to block the opening before the sticker is detached by the user, and configured to be detached from the second sheet by the user,
• wherein the opening comprises an inner area of the second sheet, and the inner area is configured to be enclosed by a discontinuous cutting line positioned along a circumference of the opening and attached to the sticker,
• wherein when the sticker is detached from the second sheet, the inner area is configured to be removed from the second sheet, together with the sticker,
• wherein the pack agent is configured to be accommodated in the inner space in the state of being applied to or absorbed into a surface of at least one of the first sheet or the second sheet, and
• wherein the first sheet and the second sheet are treated to be waterproof.