Adjustable Silk Satin Bonnet

FIG. 1 is a perspective view of a adjustable silk satin bonnet showing my new design; FIG. 2 is another perspective view thereof; FIG. 3 is a front view thereof; FIG. 4 is a back view thereof; FIG. 5 is a left-side view thereof; FIG. 6 is a right-side view thereof; FIG. 7 is a top plan view thereof; FIG. 8 is a bottom plan view thereof; and, FIG. 9 is a perspective view thereof shown in a worn configuration. The broken lines depict a boundary line of the adjustable silk satin bonnet which forms no part of the claimed design. The broken line outline of the partial human figure in FIG. 9 assists in illustrating how the adjustable silk satin bonnet may appear when in a position of use, but forms no part of the claimed design.