Ultra Capacity 4-Row Trading Card Storage Box – Holds 3,000+ Cards Key Features: Massive Storage – Fits 3,000+ unsleeved, 1,800+ single-sleeved, or 1,500+ double-sleeved cards Secure Organization – Includes 48 dividers and built-in card supports to prevent bending Premium Protection – PU leather exterior with soft microfiber interior lining Bonus Dice Bag – Stores 10+ polyhedral dice (perfect for RPGs) Strong Magnetic Closure – Keeps cards safe during transport Compatible With: Magic: The Gathering (MTG) Most standard-sized trading cards Sports cards (baseball, football, etc.) Collectible card games Dimensions: [” 11.4×12.4” x 4.3”] Note: Not compatible with top loaders or magnetic holders.