Duvet Cover

FIG. 1 is a front perspective view of an duvet cover showing my design; FIG. 2 is a front view thereof; FIG. 3 is a rear view thereof; FIG. 4 is a side view thereof; FIG. 5 is a side view thereof, opposite that shown in FIG. 4 ; FIG. 6 is a top view thereof; FIG. 7 is a bottom view thereof; FIG. 8 is an duvet cover in an open configuration with a top end pocket and a bottom or foot end pocket shown in broken lines; and, FIG. 9 is a partial enlarged view of FIG. 1 that is included to more clearly depict the design from the right-side perspective view of FIG. 1 . The broken lines shown in the drawing views are included for the purpose of illustrating portions of the duvet cover that form no part of the claimed design.