Japanese Size Prime Sleeves are 62 x 89 mm in size. They are ideal for card games like Yu-Gi-Oh!TM, NarutoTM, Cardfight!! VanguardTM and many others. These Japanese-Sized sleeves not only offer great protection for game cards. They also provide a great and easy shuffle feel. Because of the extra-high back-cover opacity, even in lighter colors, they are even perfect for tournaments. One pack contains 60 sleeves.