This pack contains 50 high quality sleeves for square board game cards used in games like Catan Card Game� + Expansions, Anno 1701 Card Game�, Summertime�, Power Grid� / Funkenschlag�, and more.- Extra high clearness- Acid free � No PVC- Sleeve thickness optimized for gameplay- Ideal fitting and size- Prevents bent corners and scratches- Longer playability- Size of sleeves: 73 x 73 mm