Use the gray/green 3.5 x 4.5 x 10" Domke 1-Compartment Tall Insert as a replacement, spare, or new insert for your Domke F-831, F-832, F-833, and select other camera bags. The insert is constructed from padded nylon for impact protection, and features touch-fastening fabric. Sewn walls and bottoms help the insert maintain its shape.