Secure Storage for Trading Cards: The BCW semi-rigid #1 card holder storage box stores up to 130 semi-rigid card holders, keeping trading cards, baseball cards, and Pokemon cards upright and protected in a secure card storage box designed for sports cards and collectible decks. Durable 200 lb. Test Corrugated Cardboard: Crafted with 200 lb. test strength white corrugated cardboard, this card storage box is built for long-lasting use, offering safe storage for trading cards, baseball cards, and other collectible card games. Ideal for Collectible and Sports Cards: Perfect for trading card collectors and sports fans, this card holder box fits Magic the Gathering, Dragon Ball, and football card collections, keeping them organized and accessible for quick sorting and easy storage. Compact, Vertical Card Organization: Featuring dimensions of 6 x 5 1/2 x 4 inches (exterior), this compact trading card storage box holds cards vertically, making it the ideal choice for storing PSA-graded c