18" - This foam piece is designed in the shape of a lightning bolt and is perfect for supporting your favorite teams. An excellent cheer prop to use during games, celebrations, and other rallying events. Choice of 24" or 18" long and a generous imprint area for customizing with a team name and mascot or a company logo. This foam product is proudly union made in the USA. Flame-resistant safe foam! ASTM F963-07 compliant.