ALTTIMERY Waterproof Case Container Capsule Seal Bottle Holder Dry Storage Box Outdoor Survival Emergency Tool High strength Steel-bonded Tungsten Carbide material Size: 13.5cm/5.3inch (Length); 3cm/1.18inch (Outer Diameter); 2.85cm/1.12 (Inside Diameter) Waterproof, made for storing small stuffs such as pills, tablets, vitamins, capsules, money and so on Screw both the top and the bottom cap could open this product Small volume, light weight, reduce burden in outdoor