If I was going to make an emergency kit for a bride, I would probably put it in a pretty little purse or small gift box with a handle for easy portability, so that she could put it in the dressing area and it would be unobtrusive. It could even be her "something borrowed" or "something blue" item if you wanted. I might include a mix of serious and tongue-in-cheek ideas to help her laugh and enjoy her day.
Here is a list of things you might think about including:
Kleenex
make-up facial blotting papers
lavender sachet (to breathe in and relax!)
mascara
lip gloss
Chapstick
brush and/or comb
extra hairpins
travel sized hairspray (for last minute touch-ups)
clear nail polish (for nylon runs)
an extra pair of nylons
compact mirror
Aleve (or other painkiller)
toothbrush, toothpaste, and floss
tampons
Tums or Rolaids
Tic-tacs or gum
package of crackers (saltines or oyster crackers)
bottle of water
Tide-to-Go pen
travel sized deodorant
pair of nail scissors
tweezers
nail file
mini sewing kit (like they have in hotels)
mini bottle of whiskey or champagne (just for laughs!)
Make Emergency Kit for Kids