A duvet comprising: a first duvet component, the first duvet component comprising: a first quilted region; a first flap coupled to the first quilted region along a first seam; a plurality of fastener components (A1-A11) disposed on the first quilted region; and a plurality of fastener components (B1-B11) disposed on the first flap, wherein each of the plurality of fastener components (A1-A11) disposed on the first quilted region opposes and is configured for connection to a respective one of the plurality of fastener components (B1-B11) disposed on the first flap; and a second duvet component, the second duvet component comprising: a second quilted region; a second flap coupled to the second quilted region along a second seam; a plurality of fastener components (A1'-A11') disposed on the second quilted region; and a plurality of fastener components (B1'-B11') disposed on the second flap, wherein each of the plurality of fastener components (A1'-A11') disposed on the second quilted region opposes and is configured for connection to a respective one of the plurality of fastener components (B1'-B11') disposed on the second flap, wherein each of the plurality of the fastener components (A1-A11) disposed on the first quilted region of the first duvet component is further configured for connection to a respective one of the plurality of fastener components (B1'-B11') disposed on the second flap of the second duvet component; wherein each of the plurality of the fastener components (B1-B11) disposed on the first flap of the first duvet component is further configured for connection to a respective one of the plurality of fastener components (A1'-A11') disposed on the second quilted region of the second duvet component, wherein the first duvet component further comprises a first plurality of cords (10, 12, 14) each having a fixed end attached near or at the first seam and a free end and the second duvet component further comprises a second plurality of cords (10', 12', 14') each having a fixed end attached near or at the second seam and a free end, and wherein each cord of the first plurality of cords (10, 12, 14) of the first duvet component is configured to be tied to a respective cord of the second plurality of cords (10', 12', 14') of the second duvet component. a first duvet component, the first duvet component comprising: a first quilted region; a first flap coupled to the first quilted region along a first seam; a plurality of fastener components (A1-A11) disposed on the first quilted region; and a plurality of fastener components (B1-B11) disposed on the first flap, wherein each of the plurality of fastener components (A1-A11) disposed on the first quilted region opposes and is configured for connection to a respective one of the plurality of fastener components (B1-B11) disposed on the first flap; and a first quilted region; a first flap coupled to the first quilted region along a first seam; a plurality of fastener components (A1-A11) disposed on the first quilted region; and a plurality of fastener components (B1-B11) disposed on the first flap, wherein each of the plurality of fastener components (A1-A11) disposed on the first quilted region opposes and is configured for connection to a respective one of the plurality of fastener components (B1-B11) disposed on the first flap; a second duvet component, the second duvet component comprising: a second quilted region; a second flap coupled to the second quilted region along a second seam; a plurality of fastener components (A1'-A11') disposed on the second quilted region; and a plurality of fastener components (B1'-B11') disposed on the second flap, wherein each of the plurality of fastener components (A1'-A11') disposed on the second quilted region opposes and is configured for connection to a respective one of the plurality of fastener components (B1'-B11') disposed on the second flap, a second quilted region; a second flap coupled to the second quilted region along a second seam; a plurality of fastener components (A1'-A11') disposed on the second quilted region; and a plurality of fastener components (B1'-B11') disposed on the second flap, wherein each of the plurality of fastener components (A1'-A11') disposed on the second quilted region opposes and is configured for connection to a respective one of the plurality of fastener components (B1'-B11') disposed on the second flap, wherein each of the plurality of the fastener components (A1-A11) disposed on the first quilted region of the first duvet component is further configured for connection to a respective one of the plurality of fastener components (B1'-B11') disposed on the second flap of the second duvet component; wherein each of the plurality of the fastener components (B1-B11) disposed on the first flap of the first duvet component is further configured for connection to a respective one of the plurality of fastener components (A1'-A11') disposed on the second quilted region of the second duvet component, wherein the first duvet component further comprises a first plurality of cords (10, 12, 14) each having a fixed end attached near or at the first seam and a free end and the second duvet component further comprises a second plurality of cords (10', 12', 14') each having a fixed end attached near or at the second seam and a free end, and wherein each cord of the first plurality of cords (10, 12, 14) of the first duvet component is configured to be tied to a respective cord of the second plurality of cords (10', 12', 14') of the second duvet component.