Get Fantastic Etching Results with the TRF Toner Reactive Foils. Foil packs are 8" wide by 15' long with simple instructions.
"WhiteTRF" is for adding a "silkscreen" layer to your board. After the board is completed, apply your silkscreen artwork the same way as the layout was. You can transfer toner right to bare fiberblass, then cover with WhiteTRF, heat and peel off the same way as GreenTRF was done.