Durable Material: Our metal pill case is made of high quality aluminum alloy, which is shatterproof, strong and rust resistant. Specially treated aluminum alloy is waterproof, rust and corrosion resistant, lightweight and sturdy, can be used for a long time. Waterproof: Each aluminum pill box keychain has a silicone sealing ring, which makes the pill bottle airtight, moisture-proof and water-proof Portable design: our pill case is designed with a key ring, it is convenient to use with key rings, and you can also hang it on your backpack and belt loops, and with a small size, you can put it in your pocket. Function: the portable pill box can survive bruises and drops, to keep your goods safe, a metal pill box with tiny spoons, you can reach all the powders and measure doses easily Widely Application: Our products can be widely used for stocka pills ge, vitamins, U disks, batteries, toothpicks, matches, cigarettes, etc. ,fishing,traveling,cycling,riding,camping,outdoors,travel and so on.