<https://jubilibeadsandyarns.com/product/superduo-chalk-white-vega-luster/#product>
<http://schema.org/description>
"SuperDuo 2.5x5mm with 2.8mm holes. Each tube of these Czech Glass Seed Beads contains approximately 138 beads and weighs 10 grams."
<https://jubilibeadsandyarns.com/product/superduo-chalk-white-vega-luster/>