Fly Fishing Fly Box - Two-Sided Waterproof Jig Box (Size B)

Our review looks at the Gonex two-sided fly fishing box and why it works well for anglers who need organized, protected storage on the water. The bottom line: this lightweight, waterproof jig box is aimed at fly anglers who want quick visibility and secure storage for a large number of flies; the double clear lids and high-density foam keep flies visible and safe, while the rubber gasket and sturdy body reduce the risk of water damage and accidental loss.

Key Features

• Waterproof seal: A rubber gasket around the lid provides reliable waterproof protection so flies stay dry in wet conditions.
• Double clear lids: Transparent lids on both sides let anglers identify flies without opening the box, saving time on the bank or boat.
• Lightweight floating body: The sturdy but light material helps the box float if dropped in water, reducing the chance of total loss.
• Easy-grip foam insert: High-density foam holds flies securely and makes retrieval and storage simple while preventing crushed patterns.
• Durable construction: A tough body with double hinges that fold 180 degrees increases access and resists cracking under field use.

Who It's For

This fly box suits freshwater and saltwater fly anglers who carry a selection of jigs and flies and need quick visual access; it is especially useful for those who prefer a compact but roomy box - the Size B model offers 234 slits across both sides and balances capacity with portability. It also works well for travel and boat use thanks to the waterproof gasket and buoyant construction.

Anglers who need very small, ultra-slim wallets of flies or who require specialized compartmentalization beyond slitted foam should look elsewhere; similarly, those who prefer all-metal or rigid compartment boxes may find the soft foam slits less suited to their exact hooks or tied styles.

Pros & Cons

Pros

• Clear double lids make fly selection fast and reduce time spent opening multiple boxes.
• The rubber gasket and secure latches keep contents dry and sealed during wet weather.
• Lightweight construction floats and the durable body resists cracks from normal field use.
• Generous internal capacity for Size B lets you carry a wide variety of flies without bulk.

Cons

• Foam slit storage may not perfectly suit every hook size or very large patterns, so some flies could require adjustment.
• The box is plastic-based, so anglers preferring metal cases may find it less premium-feeling.

Specifications

Our Verdict

The Gonex two-sided waterproof fly box is a practical choice for most anglers who want visible, organized fly storage without extra bulk; Size B hits a good middle ground for capacity and portability. Its waterproof gasket, floating body and clear lids deliver strong value for the price, making it a smart everyday box for bank, boat, or travel use.

Frequently Asked Questions

Is this box truly waterproof?
Yes - the box uses a rubber gasket and tight latches to keep water out in normal fishing conditions.

How many flies will Size B hold?
Size B provides 234 slits across both sides, allowing a substantial selection without the box becoming bulky.

Will the foam damage hooks or flies?
The high-density foam is designed to hold flies securely and minimize crushing, though very large or unusual patterns may need careful placement.