The Arkhive 400+ Xenoskin from Ultimate Guard's "Katana: The Shogun's Journey" series is the perfect mass storage box for storing and carrying multiple deck boxes and/or large numbers of cards from games such as Magic: The Gathering, Pokémon, Lorcana, Flesh and Blood, Yu-Gi-Oh!, and One Piece. A durable Xenoskin case, high-quality microfiber inner lining, and strong magnetic closure ensure excellent protection for up to 450 double-sleeved cards in Ultimate Guard sleeves* or four Boulder 100+ deck boxes. Arkhive 400+ capacity Boulder/Deck Case 100+: 4x Cards double-sleeved: ~450 Cards unsleeved: ~850 *Designed for Ultimate Guard sleeves. Sleeves from other brands may affect the capacity. Designed for 450 double-sleeved cards in Ultimate Guard sleeves Resistant Xenoskin material Strong magnetic closure Quality microfiber inner lining Modular design to combine with Ultimate Guard products