If you click on the search box on the upper right of the page
then on the arrow next to "Threads" and click on "Posts"
then type oklee in the box you will find several posts that mention it used for mission quilts, as the size is the standard width for Lutheran World Relief quilt.
I looked up on bbb.org, while they are not a member they have an A+ rating and have been in business for 36 years.