The ornamental design for a snackfoodproduct, as shown and described.
FIG. 1 is a front, right side and top perspective view of a snack food product showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a right side elevational view thereof;
FIG. 6 is a top end view thereof; and,
FIG. 7 is a bottom end view thereof.
The broken lines shown in the drawings are for the purpose of illustrating unclaimed portions of the snack food product and form no part of the claimed design. The snack food product is shown broken apart to indicate that no specific length is claimed.