Sure, keep your ammo dry in this illuminated ammunition dry box, but frankly the box doesn’t care what you put in it. Made of hard plastic with a (removable) light inside the hinged, detachable lid, the dry box looks sort of like an olive drab lunch box with a carry handle. You pick: the approx 11-1/2" x 5" x 7-1/2" box with a 1” x 1/4” light that runs on (3) included “AAA” batteries; or the approx 14" x 7-1/2" x 8-3/4" box (Interior 11"L x 6"W x 6-7/8"H) with an approx 1” dia light that runs on the included button cell batteries. They’re great cases for lots of stuff if you don’t deal in ammo.