Swan Panasia - Card Sleeves Premium - 70x100mm - 70p

Standard sleeves.

They are designed for games with cards of this format.
Sleeve dimensions

When it comes to the dimensions of their sleeves, Swan Panasia sometimes seems to take into account the outside dimensions. So the sizes listed may be a little larger than the size of the cards that will fit inside.
Sleeve thickness

Standard sleeves are 40 microns, while Premium sleeves are 90 microns. Microns are the unit of measurement used to determine the thickness of a sleeve. Values range from 40 microns to 120 microns.

 Sleeves between 40 and 60 microns thick are considered "thin", while those between 60 and 90 microns are considered "medium". Pockets with a thickness of 90 microns or more are considered "thick".