These are often listed as #11 Zip Pouch or "Accessory Pouch." They are made from durable materials with a YKK zipper and used for stationery or makeup.
If you are looking for "good paper," you can find this image printed on archival matte or glossy paper through art marketplaces like Fine Art America or Pixels. couple 11zip
There is also a popular trend for "Couple Newspapers" —personalized anniversary gifts printed on heavy cardstock or newsprint-style paper that mimics a vintage front page. 🎁 Gift & Art Options These are often listed as #11 Zip Pouch or "Accessory Pouch