Ultimate Guard 7 Wonders Game Sleeves (80) Acid free - No PVC This product is completely free of PVC and acidic materials and therefore ideal for collectible cards Extra high clearness The extra high clearness of the material ensures a genuine image quality with unaltered contrast and colors For professional gameplay Low reflective surface and no holographic logos; Ideal for tournament use Prevents bent corners and scratches Keeps your most valued cards in a mint condition to preserve their value and usability Longer playability and lifetime The extra durable material prolongs the lifetime of your cards and keeps them playable, even during heavy use