Trading Cards Organization: Keep your precious trading cards organized with these storage boxs; 4 pcs card storage boxs can totally holds 2800 trading cards Sturdy and Durable: With a heavy-duty design and sturdy construction, it provides ample protection for your valuable sports cards; Made of durable white cardboard, this trading card storage box is perfect for long-term use Easy To Assemble: Already pre-planned each fold line and easy to assemble, you can quickly set up and configure your storage space without any tools necessary Proper Case Dimension: The baseball card storage boxes interior dimensions (L x W x H):10"*4.3"*3.3", external dimensions (L x W x H): 9.5"*4.1"*3"; It's proper dimension for most card Card Storage Expert: These collector card box are suitable for storing your various collectible cards, such as sports cards,game cards,playing cards, baseball cards, basketball cards, football cards, TCG CCG MTG, but it also can be used to wrap other items well, such as cosmetics, stationery and more NUMINA Cards Storage Box Organizer for Trading Card Collection, Heavy Duty Sports Card Storage Box, Cardboard Trading Card Storage Box