The Cortex Black Japanese Size Sleeves 60 by Ultimate Guard were designed for players and collectors looking for reliable protection for Japanese-size cards, such as those used in many popular TCG and OCG games. This pack includes 60 black sleeves in Japanese Size format, ideal for cards similar to those from Yu-Gi-Oh!

and Cardfight!! Vanguard, offering a practical solution for anyone who wants to keep their collection in better condition and ready to play.

Within the Ultimate Guard range, the Cortex line stands out for its balance of durability, comfort of use, and refined presentation. The opaque black back helps standardize the deck and is especially useful for organized play, while the transparent front lets you clearly see the card’s artwork and information.

The back texture was developed to provide smooth and consistent shuffling, something valued both by regular players and by those who participate in tournaments. These Japanese Size card sleeves are a solid choice for protecting cards against wear from daily use, minor marks, dust, and friction during transport or handling.