I believe you may be referring to Freezer Paper. Unless you are running the sheets through a printer, it would be less expensive to get a roll of it from the grocery store or Amazon and tear off just how much you need.
Here are the Amazon's links that I found
For a roll that is 13.33 yards by 15 inches
https://www.amazon.com/Reynolds-Free...KZ0/ref=sr_1_3
Here is a link for 50 sheets of Gypsy
https://www.amazon.com/Gypsy-Quilter...MP4/ref=sr_1_3
And here is link for 50 sheets of Jenkins
https://www.amazon.com/C-Jenkins-Fre...5NU/ref=sr_1_8
Janey - Neat people never make the exciting discoveries I do.
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