The ornamental design for a label for beverage or food container, as shown and described.
FIG. 1 is a front perspective view of a label for beverage or food container showing my new design;
FIG. 2 is a rear perspective view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a bottom plan view thereof;
FIG. 7 is a right elevational view thereof; and,
FIG. 8 is a left elevational view thereof.
The broken line showing of logo, bear paws, and concave writing surface in FIGS. 1-8 are included for the purpose of showing environmental structure and form no part of the claimed design.