| Boos It Up Frost Flex Cups. Get ready to "Boos it up!" with your fellow ghosts at the Halloween party with these reusable frost flex cups. Each black frost flex cup has white and and orange writing "Boos it up!" for all your Halloween party needs. Whether or not this cup is filled with booze, it's an essential part of your adult Halloween party.... - Boos It Up Frost Flex Cups. |