Billingham SuperFlex - Olive 445747. The partition is divided into two sections: 10cm (3⅞") x 10cm (3⅞") and 10cm (3⅞") x 5cm (2") with a height of 18cm for both. Will fit Billingham 335 445, others too but I've not personally tried to fit.
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DIY Backpack Camera Divider Organizer Portable Camera Bag Replacement Compartment Folding Backpack Camera Lens Divider
Aliexpress UK
Billingham Hadley Pro Divider Set - Olive This divider set includes four padded pieces – two vertical and two horizontal flap dividers – designed for use in the Hadley Original, Hadley Pro, and Hadley Pro 2020 bags or their inserts.
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Dividers Padded Separators Portable For Camera Bag Replacement Photo Backpack Knapsack Cameras Compartments
Aliexpress UK
Vintage Billingham Camera Bag With 815 Dividers / Organisers. Used but in overall decent condition, some marks here and there around the edges from use over time.
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DIY Backpack Camera Dividers Separators Portable Camera Bag Replacement Compartments Backpack Knapsack Cameras Lenses Partition
Aliexpress UK
Billingham Hadley Small Divider Set - Olive Maximise the organisation and protection of your gear with the Billingham Hadley Small Divider Set - Olive. Maximise the organisation and protection of your gear with the Billingham Hadley Small Divider Set - Olive.
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1 Piece Photo Backpack Knapsack Cameras Compartments Dividers Padded Separators Portable For Camera Bag Replacement
Aliexpress UK
Flap divider (individual): W100mm (4") x L125mm (5") (90mm (3½") padded). Vertical divider (individual): W85mm (3⅜") x H265 (10½"). White Satin Wedding 6x4 Slip In Photo Album - 200 Photos - Minor Marks.
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Camera Case For Canon EOS Rebel T7/R50/R100 and More DSLR & Mirrorless Cameras,Portable Travel Bag with Adjustable Dividers
Aliexpress UK
Opened never used Brand new £88 £60ono Royal Mail Tracked 24 (1 to 2 working days) £4.69
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Funny Tongue-Out Little Turtle Bookmark 3D Creative Cute Cartoon Page Divider One-Piece Set
Aliexpress UK
Included in the set are two vertical padded dividers and two horizontal padded flap dividers, all easily attachable with Velcro®. Flap divider: W105mm (4⅛") x L105mm (4⅛"). Vertical divider (individual): W110mm (4⅜") x H195mm (7⅝).
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Waterproof Camera Bag Oxford Insert Photography Organizer Removable Partition Dividers Storage Case Fit Canon Nikon Sony DSLR
Aliexpress UK
The dividers attach securely with hook-and-loop fasteners, helping to keep your kit safe and in place while you're on the move. Flap divider (individual): W90mm (3½") x L95mm (3¾"). Vertical divider (individual): W100mm (3⅞") x H180mm (7⅛").
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Camera Bag Travel Camera Shoulder Bag Water-resistant Shock-proof for Mirrorless Camera w/ Removable Dividers And Shoulder Strap
Aliexpress UK