- Clear front & Night Blue back. The mysterious air of midnight. Japanese size sleeves are made in a smaller size typical in Japanese card games. Matte sleeves are our popular line of textured Dragon Shield with superior handling, comes in a box of 60. A perfect mix of durability and shuffle-ability. The sturdy cardboard box fits 40+ single sleeved cards or 35+ double sleeved cards. There is a label on the side of every box for personalization.