US D430401 S
FIG. 1 is a perspective view of my ornamental design for a set of bristles for a toothbrush;
FIG. 2 is a bottom plan view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a side elevational view thereof, the opposite side being a mirror image; and,
FIG. 5 is an end view thereof, the opposite side being a mirror image.
The structure shown in phantom or broken lines in the FIGs. forms no part of the claimed design and is included only to illustrate an environment.