The back of the Sleeves are sweet hear holographic and the faces of the sleeves are also holographic, it makes a normal card into FOIL CARD easily, very funny! This size can hold YGO cards, TWICE cards, Kpop cards etc. 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 sweet heart foiling style on both sides. Acid free No PVC For professional gameplay Ideal fitting and size Prevents bent corners and scratches Longer playability and lifetime