Ultra Pro 2-Piece DeckboxUltra clear, heavy duty boxes have snug fitting semi air tight closures. Square corners to help prevent damage to card corners. Stackable for easy organization and storage. Holds Standard size cards up to 2 1 2" x 3 1 2" Ideal for thick cards up to 360pt thickness Ultra clear, extra strong durable construction with square corners Stackable No PVC Acid Free 25 count and 50 count boxes come in packs of two, the rest as a single pack.