Suited for streamer fly in various size.
Place hook bend onto slit guide and slide the tail side, so streamer with even long tail can be easily stored.
Straight slit foam design can hold all the hooks safely even for modern large streamer with multiple hooks.
Avoid damaging the foam with large streamer hook with design to fold the foam with slit.

5mm thickness (0.2inch)
Large-15 slits 3 rows(45-flies)
Medium-15 slits 3 rows (45-flies)
Small-18 slits 3 rows(54-files)