Check back by the fab dept and ther is cotton cording two sizes with the curtain hard ware... that is where I get mine for smaller bowls. The are 10 yd pkgs. Also if you have Pacific fabrics they cary it or you can but it there also buy the yard...
I have made many of these and baskets with lids. And nesting sets of bowls.
You may PM if any questions
ConnieF