A laundry treating apparatus comprising: a cabinet having a cabinet laundry inlet defined therein, wherein a door for opening and closing the cabinet laundry inlet is disposed at the cabinet; a tub having an inner space for storing water therein, wherein the tub has a tub laundry inlet defined in a surface thereof facing the cabinet laundry inlet; a drum disposed rotatably inside the tub and having an inner space for storing laundry therein, wherein the drum has a drum laundry inlet defined in a surface thereof facing the tub laundry inlet; a first fixed body disposed along a circumferential surface of the tub laundry inlet; a second fixed body disposed along a circumferential surface of the cabinet laundry inlet; a first extending body embodied as a cylindrical elastic body extending from the first fixed body toward the second fixed body; a second extending body embodied as a cylindrical elastic body extending from the second fixed body toward the first fixed body, wherein the second extending body has a diameter smaller than a diameter of the first extending body such that a free end of the second extending body, an end thereof opposite to the second fixed body, is insertable into the first extending body; a connecting body including: a first connecting portion made of an elastic material and extending from a free end of the first extending body toward the second extending body in a curved manner; a second connecting portion made of an elastic material and extending from the free end of the second extending body toward the first extending body in a curved manner; and a third connecting portion made of an elastic material and connecting the first connecting portion and the second connecting portion with each other; and a spacer constructed to maintain a spacing between the connecting body and the second extending body, characterized in that: the spacer is embodied as an elastic body connecting the second connecting portion, the third connecting portion, and the second extending body with each other. a cabinet having a cabinet laundry inlet defined therein, wherein a door for opening and closing the cabinet laundry inlet is disposed at the cabinet; a tub having an inner space for storing water therein, wherein the tub has a tub laundry inlet defined in a surface thereof facing the cabinet laundry inlet; a drum disposed rotatably inside the tub and having an inner space for storing laundry therein, wherein the drum has a drum laundry inlet defined in a surface thereof facing the tub laundry inlet; a first fixed body disposed along a circumferential surface of the tub laundry inlet; a second fixed body disposed along a circumferential surface of the cabinet laundry inlet; a first extending body embodied as a cylindrical elastic body extending from the first fixed body toward the second fixed body; a second extending body embodied as a cylindrical elastic body extending from the second fixed body toward the first fixed body, wherein the second extending body has a diameter smaller than a diameter of the first extending body such that a free end of the second extending body, an end thereof opposite to the second fixed body, is insertable into the first extending body; a connecting body including: a first connecting portion made of an elastic material and extending from a free end of the first extending body toward the second extending body in a curved manner; a second connecting portion made of an elastic material and extending from the free end of the second extending body toward the first extending body in a curved manner; and a third connecting portion made of an elastic material and connecting the first connecting portion and the second connecting portion with each other; and a first connecting portion made of an elastic material and extending from a free end of the first extending body toward the second extending body in a curved manner; a second connecting portion made of an elastic material and extending from the free end of the second extending body toward the first extending body in a curved manner; and a third connecting portion made of an elastic material and connecting the first connecting portion and the second connecting portion with each other; and a spacer constructed to maintain a spacing between the connecting body and the second extending body, characterized in that: the spacer is embodied as an elastic body connecting the second connecting portion, the third connecting portion, and the second extending body with each other.