A portable sign which includes a base member having a generally cylindrical rigid lateral wall with an air input opening and an upper opening. An air blower is positioned in the base member, and an elongated display member having a flexible generally cylindrical section extends upwardly from the generally cylindrical rigid lateral wall of the base member. The flexible cylindrical section has a lower open end connecting to a disc shaped cut out in the base member and has a closed top section having an air exit opening. Lettering will be displayed on the flexible cylindrical section.