Apparatus for treating laundry

An apparatus for treating laundry, comprising:

• a cabinet including a front panel having an opening;
• a door configured to be seated on the front panel and to open and close the opening, the door having a diameter greater than the opening;
• a control panel that is located at an upper part of the front panel, the control panel defining:
• a seating recess at a bottom part, the seating recess having a shape corresponding to an outer circumference of the door and being configured to seat an upper part of the door, and
• a withdraw hole provided beside the seating recess;
• a detergent box that is configured to be withdrawn from the withdraw hole and that defines a space configured to accommodate detergent;
• a handle panel coupled to a front side of the detergent box, the handle panel comprising an avoidant surface that is disposed at one side of the handle panel and that has a shape corresponding to an outer circumference of the seating recess;
• a coupling panel disposed at the front side of the detergent box and coupled to the handle panel;
• and
• a preventing part that extends along the avoidant surface and that couples the avoidant surface of the handle panel to the detergent box to restrict the avoidant surface from being separated from the front side of the detergent box,
• wherein the preventing part comprises a fastening portion that is disposed at one of the coupling panel or the avoidant surface, and a fixing portion that is disposed at the other of the coupling panel or the avoidant surface and that couples to the fastening portion.