The Umpqua UPG SILI Streamer Large Lime Fly Box is a popular choice among fly anglers for organizing and storing larger streamer flies. Here are some key features and details about this fly box:
Features:
– Size & Capacity: Designed for large streamers, it offers ample space for bulky flies like articulated patterns, woolly buggers, and other big flies.
– Material: Made with a durable, water-resistant silicone grid that securely holds flies in place, even during rough handling.
– Grid Design: The SILI (Silicone) retention system prevents flies from falling out when the box is opened or dropped.
– Color: Lime green interior for high visibility, making it easier to spot flies.
– Hinged Lid: Features a strong, hinged lid with a secure latch to keep contents safe.
– Portability: Compact yet spacious, fitting easily into a vest, pack, or boat bag.
Dimensions:
– Approximately 5.5 x 3.5 x 1.25 inches (varies slightly by model).
Best For:
– Streamer fishermen who need a reliable way to store large, heavy flies.
– Saltwater fly anglers (some models may have corrosion-resistant components).
– Anglers who prefer silicone retention over foam or magnetic systems.
Alternatives:

If you’re looking for something different, consider:
– Umpqua ZS2 Streamer Box (foam-based, great for very large flies).
– Fishpond Tacky Fly Box (magnetic or foam options).
– Cliff Outdoors Bugger Beast (foam slots for big streamers).
Would you like recommendations on how to organize flies in this box or suggestions for similar products?