Sturdy cardboard box for storage of about 4.000 standard sized cards.
You can also store sleeved cards.
Those boxes were initially designed for Baseball- and Sportscards in general. TCG players, collectors and sellers use those boxes for years and they have proven to be useful in organizing big quantities of standard sized or smaller TCG cards.
The boxes come with a lit, are stackable, this way thousands of cards can be stored in a relatively small space.
Dimensions: L 40 cm x W 32 cm x H 10 cm