The rigid self-supporting 57L main compartment, which is complete with a moveable, ridged centre divider, two (2) side pockets, each with 5L capacity. (Total capacity 67L) and three vented eyelet in the base to allow liquids to drain. It’s hard-wearing reinforced PVC especially manufactured and reinforced 1000D material, double thickness padded base and partial walls for extra strength and durability. The large overlapping flap has been increased in size to better protect against dust entry and a reflective strip for increased visibility, nighttime safety, and warning. Four (4) 25mm side release buckles securely hold the main lid in place, improving ease of use, and securing.