Breast Pump Accessory

FIG. 1 is a front view of a breast pump accessory according to the claimed design;

FIG. 2 is a rear view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a front right perspective view thereof; and,

FIG. 6 is a rear left perspective view thereof.