The ornamental design for a sunshield for a beverage container, as shown and described.
FIG. 1 is a front perspective view of a sun shield for a beverage container showing my new design.
FIG. 2 is a side perspective view of the sun shield for a beverage container shown in FIG. 1.
FIG. 3 is a top plan view of the sun shield for a beverage container shown in FIG. 1.
FIG. 4 is a bottom view of the sun shield for a beverage container shown in FIG. 1.
FIG. 5 is a front elevation view of the sun shield for a beverage container shown in FIG. 1.
FIG. 6 is a rear elevation view of the sun shield for a beverage container shown in FIG. 1.
FIG. 7 is a side elevation view of the sun shield for a beverage container shown in FIG. 1.
FIG. 8 is a side elevation view, opposite that shown in FIG. 7, of the sun shield for a beverage container shown in FIG. 1; and,
FIG. 9 is a side elevation view in the direction shown by the “9” designation shown in FIG. 3.
The broken lines of the sun shield for a beverage container are for the purpose of illustrating the environment and portions of the article, and form no part of the claimed design.