<https://renaissancefabrics.net/product/evergreen-silk-thread-841/#product>
<http://schema.org/description>
"Is there anything better to sew with than silk thread?\r\n\r\nThis Gütermann silk thread can be used in your machine or for sewing by hand.\r\n\r\nEach spool contains 100 meters / 110 yards each."
<https://renaissancefabrics.net/product/evergreen-silk-thread-841/>