Transfer Eze -
Since the film is opaque and sticks to the top of your material, it solves the problem of trying to see marked lines on dark or heavily patterned fabrics.
While many love it, some reviewers on Needle 'n Thread note that stitching through the extra layer can be slightly tougher on hands with arthritis. Playing Around with Transfer-Eze - NeedlenThread.com Transfer Eze
Sew directly through the film and the fabric. Most users find it "needles" well without gumming up the needle. Since the film is opaque and sticks to