The ornamental design for the foldable beach or lawn chair, as shown and described.
FIG. 1 is an isometric view taken from one angle of the foldable beach or lawn chair in accordance with our new design;
FIG. 2 is an isometric view, similar to FIG. 1, but taken from another angle of the foldable beach or lawn chair in accordance with our new design;
FIG. 3 is a front elevation view of the foldable beach or lawn chair shown in FIGS. 1 and 2;
FIG. 4 is a rear elevation view of the foldable beach or lawn chair shown in FIGS. 1 and 2;
FIG. 5 is a left side elevation view of the foldable beach or lawn chair shown in FIGS. 1 and 2;
FIG. 6 is a right side elevation view of the foldable beach or lawn chair shown in FIGS. 1 and 2;
FIG. 7 is a top plan view of the foldable beach or lawn chair shown in FIGS. 1 and 2; and,
FIG. 8 is a bottom plan view of the foldable beach or lawn chair shown in FIGS. 1 and 2.
The broken lines shown in the drawings are for the purpose of illustrating portions of the folded beach or lawn chair and form no part of the claimed design.