Each Mini American Board Game Size card sleeves pack includes 50 clear sleeves. The size is 1 5/8″ x 2 1/2″ or 41mm x 63mm; the FFG colour code for these is clear sleeves is Yellow. FFG use acid-free 100 micron polypropylene plastic to make these and they contain no PVC.
Shiny Games says about Mini American Board Game Card Sleeves
If you’re an X-Wing or Armada player, these card sleeves are perfect for protecting your damage and upgrade cards. Fantasy Flight Games makes these sleeves themselves, so you know the quality is what you want for your Star Wars gaming.