The back of the Sleeves are transparent, the faces of the sleeves are foil, it makes a normal card into FOIL CARD easily, very funny! Choose the right type and size you need. All the cards in the pictures are only for showing example, not included in the package! These sleeves are loved by the KPOP card collectors, they make your cards look more beautiful. 1 order is for 100 pieces Extra high clearness one side different foiling styles on the other side. Acid free No PVC For professional gameplay Ideal fitting and size Prevents bent corners and scratches Longer playability and lifetime