MFC Poly Box Leaf Insert- Small, The Montana Fly Company Insert Leaf allows you to double the storage capacity of your MFC Poly Fly Box. The insert features 2 prongs to lock it in with a perfect fit, with slit foam to hold your flies securely.
- Slit foam for holding flies
- Doubles your storage capacity
- Fits MFC Poly Fly Boxes
- Cut for a perfect fit