The sturdy, ultra-clear boxes have tight-fitting semi-hermetic closures. This 2-piece box holds 50 standard size cards. Square corners to help prevent damage to the corners of cards. Stackable for easy organization and storage. 2 boxes per package. Holds 50 standard size cards up to 2-1/2" x 3-1/2" Ideal for thick cards up to 360pt thick Durable construction Extra strong and ultra clear with square corners Stackable PVC-Free/Acid-Free