American Balloon Company, in the Mount Vernon Plaza, serves the Hybla Valley community with balloons and party supplies for all occasions, featuring Party Express by Hallmark. This party store came along after many years of doing business online. The store is full of party essentials, and the online store provides simple easy browsing from the convenience of your home. And American Balloon Company is one of the top singing telegram providers in the Washington, D.C., metro area. So whether you want to brighten up your party with custom balloons or send a friend a message in song, stop by American Balloon Co.