- FF Signature Dubbing is a dream come true. In corporation with one of the best manufacture of syntetic materials in the USA ,we made this fantastic dubbing. Its made of 3 kinds of materials, 2 syntetic and one natural. And because of the natural material it becomes transparent in the water. This dubbing is made only for FutureFly, and it has been a lot of work finding the rigth combinations. Now its here! We have it in 18 colors.