Please notice the bag is flexible.  Dimensions below is for your reference.
The actual size can be larger.

Size:              W × D × H – 610× 390× 520 mm (outside)

With
4PCS   KOS32003    1/8 Bag Medium Drawer   250 × 350 × 125mm
Size:              W × D × H – 250× 350× 125 mm (outside)
Size:              W × D × H – 240× 330× 120 mm (inside)

1PCS   KOS32004    1/8 Bag Large Drawer   510 × 350 × 205mm
Size:              W × D × H – 510× 350× 205 mm (outside)
Size:              W × D × H – 495× 330× 195 mm (inside)