Loose matches at the bottom of a pack are an easy thing to forget until they are needed. The SE 3-IN-1 Orange Waterproof Match Storage Box with Signaling Mirror and Firestarter Flint - CCH6-1 gives them a bright orange container and adds two small backup functions.

The match-storage role is what I would focus on first. A protective box is useful only if the matches fit, the lid closes properly, and the striker arrangement is suitable for the matches you carry. Confirm those details rather than assume the container includes everything required.

Three Functions in a Small Package

Match storage: The main organizational job.
Signaling mirror: An added reflective signaling feature.
Firestarter flint: A small backup ignition option.
Orange color: Easier to distinguish among darker gear.

Check the Closure at Home

The listing describes waterproof storage. I would inspect the seal and follow the directions for closing it, rather than leave the whole fire kit dependent on an untested lid. Keep the outside clean enough that grit doesn't interfere with the closure.

A match box also benefits from deliberate organization. Use compatible matches, keep the intended striker available, and avoid mixing small loose items that could damage the matches during transport.

Backup Features Need Familiarity

The mirror and flint can be useful extras, but small integrated tools deserve practice. A reflective surface isn't automatically a signal another person will notice, and a flint still needs suitable tinder and technique.

I would compare this for a compact fire pouch or someone who wants the storage and backup pieces in one place. Dedicated signaling and fire tools may be easier to handle if those functions are central to your plan.

The CCH6-1 makes most sense as an organized container first. Choose it for keeping appropriate ignition supplies together, then learn the extra features so they are more than labels on an item you never open.