Use the olive Billingham Rucksack 35 Insert as a spare or replacement for your Billingham Rucksack 35.
A full replacement/spare divider insert set for the Rucksack 35. It comes with 1 removable horizontal divider (a flap), 2 of the larger removable vertical dividers, and the removable interior lining itself. There are two studs fitting at the top on the back of the insert so it can be fixed into place inside the Rucksack 35.
Choose the insert color that matches the interior of your Rucksack 35.