Aventik Fly Fishing Box Waterproof Double Sided Slit Foam, Small 2PC Review (2026)

What you get in this set

This listing is for two small Aventik fly boxes rather than one, which lets an angler split flies into two dedicated boxes, for example dries in one and nymphs in the other, instead of digging through a single mixed box streamside. Each box uses a snap tight lid over high density slit foam on both sides, so flies slide into the slits and stay gripped in place rather than sliding around loose when the box is jostled in a pack or vest pocket. Anglers who like to keep fly categories physically separated, or who want a light backup box to carry alongside a larger primary box, are the target user for this small two pack.

Waterproofing and materials

Each box is built from high density plastic with a rubber gasket seal around the lid, which is what allows the box to stay closed and dry even if it is dropped in the river, and the sealed construction also lets the box float for easier retrieval rather than sinking. The double sided slit foam inside holds flies with the hook slid into the foam slit, which works well for a wide range of fly patterns including nymphs, dry flies, and smaller streamers. Because the boxes are described as small, the foam area on each side is limited compared to Aventik's larger box sizes, so it suits a modest fly selection rather than a full trip's worth of variety in one box.

Everyday use and limits

The compact footprint of the small size makes these boxes easy to slip into a shirt pocket, chest pack, or vest without adding much bulk, which is the main appeal over a single larger box. The tradeoff is capacity and fly size, since bushy dry flies, larger foam bodied patterns, or bigger streamers can be awkward to seat properly in the slit foam on a small box, and the box can fill up faster than a mid size or large option. Anglers who tie or buy larger pattern sizes may want to check Aventik's larger small or large size options instead, while anglers who mostly fish smaller flies will find the small size sufficient.

How it compares in the site's fly box guide

In the site's roundup of waterproof fly boxes, this two pack ranks third of eight, behind the C&F Design CF3500, a large single box from an established fly box maker, and the Dr. Slick large slit foam box. It sits just ahead of three similarly scored Maxcatch and Kingfisher boxes, all clustered close together, which suggests the fly box category at this price point is fairly even in quality and the differences come down to size and lid style preference rather than one clear standout. Getting two boxes for close to the price of one larger box is this listing's main advantage over those single box competitors.

Bottom line

This two pack works well for anglers who want to physically separate two fly categories in dedicated small waterproof boxes rather than paying for one larger box. The rubber gasket seal and slit foam construction match what more established fly box brands offer at this size, and getting a pair for one price is a practical way to build out fly storage gradually. Anglers who tie larger foam bodied patterns or big streamers should look at Aventik's larger box sizes, or at the C&F Design and Dr. Slick large boxes that rank ahead of this pack in the site's guide.

Frequently asked questions