Originally Posted by
BellaBoo
I use the see through red film when I buy fabric. An old red file folder is excellent if you are lucky to still have one or find one. It's big sheets of the red film. Green film is for finding value in red fabrics together.
I have purchased a red vinyl piece in a cardboard frame to use for finding the value in fabrics. For red fabrics i just use a green vinyl page pocket sleeve. It works fine.