Mason jars as drink glasses for the evening and they are a simple keep sake. Guests could fill at the end of the night with favors of choice ( candles, candy.etc ) I LOVE this idea! I'm sure it would be pretty cheap too!
Manicure Pedicure in a Mason Jar Christmas by cheerlederkayley: this super cute girly gift! Manicure in a Mason Jar! Include: cotton balls, two nail polishes, a nail file, nail clippers, and nail polish remover in a small bottles.