Turn you 1 person emergency kit into a 2 person (or 3 or 5 and so on) kit with this Add on Kit.  The kit has everything an additional person will need and want to survive with you for 3 days unassisted.

The Kit includes:

1 3600 calorie food ration

1 Emg. Blanket

1 Poncho

1 Surgical Mask

1 Light Stick

A $39.99 value.