Free loading and unloading: Our keychain pill box is made of four-cell alloy tubes, which can be disassembled and assembled freely. You can determine its length according to the required quantity, which will be very convenient for your life. .Waterproof and Sealing: Through precision processing and the use of rubber sealing rings, the aluminum medicine box can waterproof and protect the pills from moisture, keeping the pills in a dry, clean and safe condition. .Four-compartment tubes:Portable pill boxes is made up of four separate small grids.You can put different things in different compartments to increase the storage capacity. .Portable design: the fashion pill box comes with a keychain, you can hang it directly on the keychain, or hang it directly on the backpack, it won't be easily oversight. .Wide range of applications: Waterproof keychain pill boxes can be used to store dry medicine, capsules, small first aid items and tiny insignificant objects. It is very suitable for mountain biking, fishing, camping and general everyday use. .