The ornamental design for a pouch for packaging, as shown and described.
FIG. 1 is a perspective view of the pouch for packaging, showing my new design;
FIG. 2 is a front view of the pouch for packaging shown in FIG. 1;
FIG. 3 is a rear view of the pouch for packaging shown in FIG. 1;
FIG. 4 is a left view of the pouch for packaging shown in FIG. 1;
FIG. 5 is a right view of the pouch for packaging shown in FIG. 1;
FIG. 6 is a top view of the pouch for packaging shown in FIG. 1; and,
FIG. 7 is a bottom view of the pouch for packaging shown in FIG. 1.
The broken line showing of portions of the pouch for packaging is included for the purpose of illustrating environmental structure and forms no part of the claimed design.