A cabinet includes a front panel having an opening at a front side, a door seated on the front panel, the door having a diameter greater than that of the opening to open/close the opening, a control panel located at a top part of the front panel, the control panel defining a seating recess configured to seat a top part of the door and a draw hole at a lateral side of the seating recess, a detergent box drawably located in the draw hole and configured to receive detergent, a handle panel coupled to a front side of the detergent box, the handle panel including one side configured as an avoidant surface corresponding to a shape of an outer circumference of the seating recess, and a preventing part configured to prevent the avoidant surface from being spaced apart from the front side of the detergent box.