The ornamental design for a bandage, as shown and described.
FIG. 1 is a bottom top of a bandage of our design.
FIG. 2 is a first side view of the bandage of FIG. 1.
FIG. 3 is a second side view of the bandage of FIG. 1.
FIG. 4 is a bottom view of the bandage of FIG. 1.
FIG. 5 is a third side view of the bandage of FIG. 1; and,
FIG. 6 is a fourth side view of the bandage of FIG. 1.
The broken lines shown in the figures are included for the purpose of illustrating portions of the surgical tool and form no part of the claimed design. Randomly dashed lines represent surface shading.