You can be assured that Kristi sees your request on Monday, so the fabric and supplies will be listed on this item page by Monday night or Tuesday. She is the customer service person with the task of listing these things. Unfortunately, the ECS site has so much stock to catch up with, as well as new stock arriving, that it is a long process.
If you want to be certain that she will list, have the SKU number ready and call cutomer service when they are open, Monday through Friday, 8-5 EST. They are at 1-800-800-8517.
I am not an employee of ECS, just a stitcher who is on this chat.