Custom Big Nymph & Streamer Slit Foam Fly Box

Keep your flies where they should be in your box. This silicone lined bug keeper is durable and waterproof. The medium size measures 5.35 x 3.75 x 0.6 inches and the large is 7.35 x 3.75 x 0.6 inches. The Extra Large stands at 9.25 x 5 x 1 inches.

Silicon Slim Fly Box

SF Collection Fly Boxes Clear Fly Fishing Box A4 Extra Large Capacity Tube Foam Fishing Competition Hook Tackle Boxes : Sports & Outdoors

Signature fly boxes are sold at The Fly Shop

The Fly Shop's Waterproof Nymph/Streamer Fly Box

The MFC Boat Box is a revolutionary totally waterproof fly box that was designed for use in boats, backpacks, or for travelling with large quantities of flies. One box that can cover any situation. Utilize large foam for big flies (size 8 and larger), or small foam for your smaller flies (size 10 and smaller). The center leaf should be added to double the capacity. The fly leaf is also available in either large or small foam.

Montana Fly Company Boat Box (Burnt Orange)

Show Me Your Fly Box!!! Washington Fly Fishing Forum

Double Sided Fly Box – Bozeman FlyWorks

Large Waterproof Fly Box-Slit Foam insert (Tube fly style)-Streamers

DIY Streamer Fly Box

Sure Lock Ridge Foam Fly Box Large