Features:

*Convenient compact size design
*Large drawer for 1/8 car, made from strong, reinforced, waterproof material
*2 Medium drawers for parts & accessories, made from strong, reinforced, waterproof material
*Strong cardboard box frames included (DIY tips below)
*Side pockets for manual, setup sheet & other purposes
*Both handle and shoulder strap are included

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

Size:              W × D × H – 560× 375× 380 mm (outside)
Size:              W × D × H – 550× 365× 370 mm (inside)

With
2PCS  KOS32003 1/8 BAG MEDIUM DRAWER 250X350X125MM
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 510X350X205MM
Size:              W × D × H – 510× 350× 205 mm (outside)
Size:              W × D × H – 495× 330× 195 mm (inside)