Bought these as they were on offer.
Can't work them out!
http://www.ocado.com/productImages/795/79526011_0_640x640.jpg?identifier=5d0cf2e80d783ef41742e74efb248fa1

Theres just too much surface area that I couldn't possibly fill. Its a wrap about the size of an A4 sheet of paper. It needs about 3 slices of ham to cover it, or half a pot of sandwich filler (feel quite shameful buying sandwich filler but its ok).
WHAT DO I DO.