The Arkhive 400+ is the ultimate box for storing and carrying large numbers of cards and/or multiple cases in many different ways! It's modular design is perfectly dimensioned to hold an almost endless variety of Ultimate Guard products. Some examples of what this amazing box can hold: 5x Boulder 80+, or 4x Boulder 100+5x Deck Case 80+ 3x Deck Case 100+ plus extra storage space 450+ double-sleeved cards or 500+ single-sleeved cards, or 850+ unsleeved cards* 175+ Top-Loaders " 3x Flip Deck Case 80+, incl. 1x Boulder 80+, or 1x Deck Case 80+