The ornamental design for a cap for containers especially for bottles or pouches, as shown and described.
1. Cap for containers especially bottles or pouches
1.1 is a perspective view;
1.2 is a front view thereof;
1.3 is a rear view thereof, opposite that of 1.2;
1.4 is a side view thereof
1.5 is a side view thereof, opposite that of 1.4;
1.6 is a top view thereof;
1.7 is a bottom view thereof.
The broken lines in views 1.1 through 1.7 show portions of the cap for containers that do not form a part of the claimed design and are for the purposes of illustrating the environment only.