Shower caps are great for putting your (dirty and dusty) shoes in when you travel! Chances are your shoes will get quite dusty during your missions trip activities and you don't want to spread the dirt around to the rest of your suitcase contents.
Cut a slit into a toilet paper or paper towel roll to make a wrapping paper cuff! (keeps the paper from unrolling everywhere). For smaller rolls, you may have to put a piece of tape on the outside of the toilet paper cuff to make it fit.