New In Box VSSL First Aid Stash for building your own portable and waterproof first aid kit.  Includes four (4) aluminum storage canisters (2 large and 2 small); 200 lumen 4-function flashlight with batteries; oil filled compass with bonus signal mirror!  Compare with other listings that only have 3 canisters and no signal mirror.  Impact resistant aluminum tube to store everything.  Fits great in car glove box or in your backpack.  Ships USPS.