Features: OOTDTY brass material, solid, well built, indestructible; And it's good craftsmanship, it feels very good in the hand., The small high capacity cylinder is threaded twisted with rubber o-ring sealing ring, which make it waterproof, it's screw on and off very well and can not be opened accidentally. The handy EDC survival kit is small and portable, but the capacity is large enough to meet your daily needs and outdoor activities such as camping, hiking, boating. This small tool is lightweight, easy to carry in your purse or pocket, lunch pack, and hiking or snowboard backpack, and can be easily clipped and carried to carry with you. Perfect for storing vitamins, capsules, even a small bottle for pills, coins, money, u-disk, earbuds, button batteries, fragile mechanical items and other small valuables. Specifications:Material: BrassColor: As the picture showsSize options: S/M/L/XLHea: About 3cm/1.18inchOuter Diameter: About 3.9cm/1.53inch(More details about the size, please see the picture.)Package Included: 1Pc x Waterproof Sealed BoxNote: Please allow 1-2cm error due to manual measurement. Pls make sure you don't mind before you bid. Due to the difference between different monitors, the image may not be