Jet-Opaque II Transfers?

[Jen72386]

Has anyone used the Jet-Opaque II dark transfers before? I think they may have orange backing paper? If so, what are your opinions on them?

I saw them here:
http://www.gsspapers.com/8_5_x_11_25_Pack_Inkjet_Quality_Dark_p/inkrdc851125.htm

[Jen72386]

bump :)