its very helpful to have an emergency bag 

contents ( girls ) 

hair ties

hair clips 

small brush 

hand sanitiser 

deodorant or perfume

feminine products (ladies you know what i mean)

nail clips

nail file

floss

baby wipes

pencil and sharpener

gum

clear nail polish ( if you wear it), remover, and cotton balls 

extra makeup ( if you wear it) and makeup wipes

contents (guys )

if you have hair long enough for a man bun hair ties 

small  brush

deodorant or cologne ( not too strong )

hand sanitiser

nail clips

floss

baby wipes

pencil and sharpener

gum

no dicrimination if you feel you need/ want something from the other list thats ok just some things that i thought might be helpful