A padded inserts for Billingham one range of bags. These are supplied with the bags concerned but you can purchase these if you need a replacement or you want multiple inserts to swap out sets of camera gear more quickly.
Billingham Hadley One Padded Insert One Half - Olive
External Dimensions: W170mm (6¾") x D130mm (5⅛") X H240mm (9½")
Internal Dimensions: W150mm (6") x D120mm (4¾") x H230mm (9⅛")
Capacity: 3.9 litres approx (0.14 feet³)
Weight: 0.15kg (0.33 lbs)