guests use their nails to design their own cups

Love these. Used them for all of our parties and tailgating events now.

Useful for helping your guests remember who they are or keeping the easily bored entertained, these cups will undoubtedly serve multiple purposes at your party. Just scratch your message of choice (no sniffing required.) (via Plum Party)

Etchable party cups, now that's a good idea. (via Plum Party)