The ornamental design for a bag with solidcolor, as shown and described.
FIG. 1 is the perspective view of a bag showing the new design;
FIG. 2 is a left side elevational view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a right side elevational view thereof;
FIG. 5 is a rear elevational view thereof;
FIG. 6 is a bottom plan view thereof; and,
FIG. 7 is a top plan view thereof.
The stippled area represents a solid color although no specific color is claimed.
The broken line showing of the grommet, zipper pull and zipper, indicated by a first broken line, and the stitching, indicated by a second and longer broken line are included for the purpose of illustrating environment and form no part of the claimed design.