The FXtra is a compact gel holder that facilitates a quick installation and removal of colored gels. Eight Rosco gels are included: CTO, 1/2 CTO, 1/4 CTO, Plus Green, 1/2 Plus Green, Sky Blue, Canary Yellow and Fire Red in the integrated storage pouch. These gels an be used for theatrical purposes or to balance the flash for tungsten or fluorescent environments. FXtra is sized to use with most popular flashes and the gel pocket accommodates both Rosco and Lee gel samples.