All new "PERFECT FIT" line with 9 new sleeve options! Made from Cleartech™ Polypropylene. 100 Micron thickness, 55 sleeves per pack. Square Sleeves (70 X 70mm): These fit lots of smaller square cards including: Among the Stars, Cat Box, Catan Card Game, Codenames (square cards), Euphoria: Build a Better Dystopia, Fields of Green, King of Tokyo: Halloween, Munchkin Apocalypse, Power Grid, Tiny Epic Galaxies Beyond the Black (round cards), Viceroy and World Without End.