Coated Tablecloths Need Help Finding Yarn For Project.?

Need help finding yarn for project.? - coated tablecloths

I have a pattern of Nice for a tablecloth that I should do, and the pattern calls for J. & P. Coats "Knit-Cro-Sheen." But I can not find in every store in town. It is available online if you have a credit card or checking account. I did not. Can you tell me what would be comparable to the extent that the size of the wire? Thank you.