Originally Posted by peacebypiece

The best thing I have ever found for a press cloth is a piece of plain white COTTON organdy fabric. The trick is to find some. There are a couple of vendors online that carry it. Serge, hem, or trim the edges with pinking shears. Then wash the new fabric to remove the starch. You will end up with a thin fabric you can see through. I will not stick to your iron.
My mother taught me this about 60 yrs ago and it still works great. Also, anything bigger than the surface of your ironing surface is overkill so 17x30 would be big enough. You could get two out of a yard of organdy.