Designed for 400 Double-Sleeved or 500 Single-Sleeved Standard Sized Cards in Ultimate Guard Sleeves*: Our product is expertly crafted to accommodate your card storage needs. Whether you prefer double-sleeving for maximum protection or opt for single-sleeved cards, this storage solution can comfortably hold up to 400 double-sleeved cards or 500 single-sleeved cards in Ultimate Guard Sleeves*. No more worrying about running out of space; you've got room to spare for your expanding collection. Owning an Arkhive is an excellent means to archive a vast collection of TCG cards. However, managing such a substantial number of cards can be quite a task and may seem overwhelming. That's why we've ensured that our Arkhive is fully compatible with our Deck Cases and Boulders of varying sizes. This way, you can efficiently organize your different decks into separate Boulders or other deck storage containers and neatly arrange them within the Arkhive.