Made of high-quality aluminum alloy with a special treatment, this keychain pill holder is tough and resistant to rust. The frosted surface not only looks fashionable, but the light blue color is attractive. The pill bottle comes apart into three separate compartments. The external dimensions are 3.1” high and 0.7” in diameter. The weight of the pill box is only 0.63 oz. Perfect for your travel purse, pocket, or attaching to your keychain for daily use.