Ultimate Card Storage Solution for Collectors and Gamers! This 3-row trading card storage box is designed to meet all your card organization and protection needs. With 50 soft sleeves, 8 dividers, and 3 adjustable card supports, it ensures your cards stay upright and secure, preventing toppling and damage. The adjustable partition space with multiple slots allows you to categorize and organize your cards effortlessly, providing clear visibility and quick access. Boasting a large storage capacity, this box can hold 2100+ unsleeved cards, 600+ single-sleeved cards, 550+ double-sleeved cards, or 150+ magnetic card sleeves. It's perfectly compatible with 3"x4" 35PT rigid toploaders and magnetic card holders, making it ideal for various card types and collections. The innovative card supports keep your cards upright even when the box isn't fully packed, preserving their condition and enhancing their collectible value. Made from high-quality thick corrugated cardboard, the box is easy to assemble in seconds—no glue or adhesive required. Simply fold along the pre-planned lines, and you're ready to go! Widely compatible with Magic: The Gathering, Duskmourn, Bloomburrow, Assassin's Creed, Modern Horizons 3, One Piece, and sports cards (baseball, basketball, football, etc.), this storage box is perfect for MTG, PTCG, and TCG players. Whether you're a collector or a competitive gamer, this box offers unmatched convenience and protection for your valuable cards. Upgrade your card storage today and keep your collection organized, safe, and easily accessible!