I claims to reflect light in a way that normal reflectors and wall covering does not. That it claims to be one of the only that reflects full light spectrum.
http://www.orcagrowfilm.com/
http://www.orcagrowfilm.com/Articles.asp?ID=145
http://www.orcagrowfilm.com/
http://www.orcagrowfilm.com/Articles.asp?ID=145