LuminAID - The Solar Life Saver (It can provide up to 16 hours of continuous light, enough to light up a 125 square foot space. Its inflatable TPU body conveniently folds up when not in use, but transforms into a translucent lantern when you need it.
Repair nearly any piece of gear on the fly with Tenacious Tape. It goes on clear, doesn't leave residue, and is removable. This tape's so tough you'll need scissors or a razor blade to cut it // . sounds great for punctures or rips in tents.