These are sized to fit cards "Lost Cities" Card Sleeves (70x110mm). These are designed to fit these games, and more! A list of other games that use this sleeve can be found on Sleeve King's website. Thicker, Stronger; Most "Standard" Sleeves are 40 microns thick, these are 60-microns thick! 10% More Sleeves: 110 sleeves for the price of 100.