1Made of good quality material, waterproof, anti-corrosion, anti-rust, high temperature resistance. 2Clean internal space enables you to put your pills or other small things inside. 3Anodized surface, high stability, both ends can be opened. 4Lightweight and practical, Loop design on the top,it can be hanged on your bag or key chain. 5Portable and compact in size makes it easy to carry wherever you go.