OOTDTY container is made of high quality aluminum alloy material, sturdy, well-built, indestructible; And it's good craftsmanship, nice threads are extremely smooth, they feel very good in the hand. This small high capacity waterproof camping survival seal bottle is screwed with sealed to make it waterproof, it screw in and off very well and won't open accidentally. The handy EDC survival kit is small and portable, but the capacity is large enough to meet your daily needs and some outdoor activities such as camping, hiking, boating, fishing. Ideal for storing vitamins, capsules, even a small bottle for pills, money, dental floss, toothpicks, earbuds, batteries, fragile mechanical items and other small valuables. The small tool is lightweight, easy to carry in your purse or pocket, lunch wrap and touring/snowboard pack, and can be easily clipped and carried to carry with you. Specification: Material: Aluminum Alloy Color: Black Package Weight: approx.10g Length: About 4.5cm / 7.09in Package Includes: 1pc x Sealed TankNote: Please allow 1-2cm error due to manual measurement. Make sure you don't mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!