They are from 1959 and measure 15 inches across. Though the Bazooka name is on them, they were actually made available through these cards inserted into Topps wax packs that year:
Even though the pennants were issued by Topps (who made Bazooka), the use of the brand name on the pennants themselves gives them their name.
Not to be outdone, Bazooka had its own card-related product that year.
