Replaceable floss device

A replaceable floss device comprising:

• a main body extending in a longitudinal direction and including a handle portion and a head unit, the head unit being configured to form a receiving area spaced apart from the handle portion in the longitudinal direction and including a receiving protrusion and a receiving recess;
• and
• a replaceable floss unit replaceably coupled to the main body, and including a base portion including a coupling protrusion and a coupling recess, an arm portion extending in a direction different from the direction in which the base portion extends, and a floss coupled to the arm portion,
• wherein when the replaceable floss unit is coupled to the main body, the base portion is positioned in the receiving area so that the coupling protrusion and the receiving recess are in contact with each other and the coupling recess and the receiving protrusion are in contact with each other,
• wherein the replaceable floss unit is coupled to the head unit along a coupling direction in which the floss and the base portion are spaced apart from each other, and the coupling direction and the longitudinal direction are different from each other, and
• wherein the receiving area includes a first receiving end open toward the handle portion and a second receiving end formed opposite the first receiving end, and overlaps at least a portion of the handle portion along the longitudinal direction.