Manufacturer Sky Burner is based in the US and has been working for 14 years now in the development and distribution of wrapped carbon tubes. They started with the development of G-Force tapered tubes and were the first to use them in a line of manufactured sport kites (Sky Burner kites). The tapered tubes are produced in the USA and are world renowned as the very best competition tubes. It is no wonder, the best flyers in the world use Sky Shark Air Frames. The facts speak for themselves, there is no equal to the weight to stiffness of Sky Shark.