<https://starfishlane.com.au/product/matte-c5-euro-flap/#webpage>
<http://schema.org/description>
"The C5 envelope is a larger envelope and made from from premium paper. The Matte envelopes have a natural organic feel and a Euro flap style to finish."
<https://starfishlane.com.au/product/matte-c5-euro-flap/?attribute_pa_envelope-colours=ebony>