Maoershan All Purpose Fingertip Cup Moistener , 2 Different Functions Ball, Clear Plastic Case Nontoxic, odorless, nongreasy formula. Moistens fingers to make collating, sorting, and filing easier. Enclosed floating ball design eliminates splashing and reduces evaporation. Nonskid base helps keep blotter in place. This Finger Wet Money Cashier is very suitable for office, bank or supermarket use.