This is a Japanese document storage box.
Dimensions: 15.6 x 12.0 x 11.8 inches (398 x 328 x
Compatible Sizes: B4, A4
Material: Cardboard.
Load Capacity: Approx. 44.1 lbs (20 kg).
Effective inner dimensions: 15.4 x 12.6 x 11.4 inches (392 x 322 x 290
Max Stacking Number / Not Stackable
Unit: 1 box (10 pieces)
Manufacturer Part Number: 36083435.
Cannot be stacked.