High-Quality Materials: The medicine box is made of high-quality 6061 aluminum alloy, the surface is oxidized and heat-treated, it is sturdy and scratch-resistant, and can store items for a long time. Sealed and waterproof: Portable outdoor waterproof tank, the opening has an encrypted thread design, is equipped with a waterproof O-shaped sealing rubber ring, which greatly improves the sealing air, can directly contact with water, is moisture-proof and waterproof.Exquisite Appearance: CNC wire cutting is integrally shaped, the outside has a non-slip design clean grain, the internal available space is 7.9cm * 2.8cm, and the internals are always kept dry in an all-weather environment.Use: The waterproof metal tank is very suitable for storing pills, lighters, money, flash drives, batteries, matches, first aid supplies , parts or other essential accessories for outdoor activities.Quality Service:We insist on quality in our products and hope that customers are completely satisfied with our products.If you have any product questions or issues, please feel free to contact us and we will do our best to resolve them for you.