FIG. 1 is a top perspective of a reusable herb capsule for my new design; FIG. 2 is a bottom perspective thereof; FIG. 3 is a front view thereof; FIG. 4 is a rear view thereof; FIG. 5 is a left side view thereof; FIG. 6 is a right side view thereof; FIG. 7 is a top view thereof; FIG. 8 is a bottom view thereof; and, FIG. 9 is an exploded top perspective view thereof.