These super premium 120-micron thick transparent sleeves (50 sleeves) are acid free and archival safe. They are made to fit 63.5x88mm cards (or slightly smaller).
This is the most widespread sleeve format ever. The list of compatible games would be extremely long so here are just a few. These cards can be used in games such as Magic the Gathering, Keyforge, Mage Wars, Pathfinder, Gloomhaven, Terraforming Mars, Hero Realms, Sagrada, Star Realms, Cthulhu: Dealth May Die, Seasons, Mage Knight, Pandemic, C2 Second Chance, Lincoln, Red Dragon Inn, Welcome to the Dungeon, Assassin's Creed the Board Game, Warmachine, Cry Havoc, Tiny Epic Games, Spyfall, Love Letter, Paperback, Dark Souls The Board Game, Forbidden Desert, Dominant Species, Cutthroat Caverns, Hear I Stand, Tanto Cuore, Arcadia QUest, Legendary, Bloodborne: The Card Game, Android: Netrunner, King of Tokyo, Mice and Mystics (search and encounter cards), Lords of Waterdeep, Race for the Galaxy, The Resistance, Ticket to Ride: The Card Game, Warhammer: Invasion, Spyrium, Pokemon Trading Card Game, Nexus Ops, Tragedy Looper, K2, Gang of Four, Forbidden Desert, Forbidden Island, Commands & Colors: Ancients, Jaipur and many more!*
*This is to the best of our knowledge, but you should do your own research and make sure this size sleeve will fit the cards in your game.