The ornamental design for a storagebag for handbag, as shown and described.
FIG. 1 is a perspective view of a storage bag for handbag according to the present application.
FIG. 2 is a front view of the storage bag of FIG. 1, the broken lines being indicative of an optional transparent pouch on a front flap and promotional indicia.
FIG. 3 is a rear view of the storage bag of FIG. 1.
FIG. 4 is a right view of the storage bag of FIG. 1.
FIG. 5 is a left view of the storage bag of FIG. 1 showing an external transparent pouch.
FIG. 6 is a top view of the storage bag of FIG. 1; and,
FIG. 7 is a bottom view of the storage bag of FIG. 1.
The broken lines are included for the purpose of illustrating environmental structure and form no part of the claimed design.