Description: Durable titanium material, total CNC cutting, surface heat oxidation treated to make it more scratch resistant Can store capsules, cotton balls, toothpick, matches, tea, memory cards, earrings and other similar small items Rubber waterproof rings and encryption thread improve waterproof level, double protection, keeping items dry Suitable for camping, hiking, fishing, backpacking, travel, hunting, picnic, beach, cycling and other outdoor activities Mini design, easy to carry, can be clipped to key chains, handbags and jacket pocket Specification: Material: Titanium Size Chart: 1.33inch High: Outer Diameter: 10.6mm/0.42inch, Inner Diameter: 6mm/0.24inch 1.91inch High: Outer Diameter: 10.6mm/0.42inch, Inner Diameter: 6mm/0.24inch 1.74inch High: Outer Diameter: 13.6mm/0.54inch, Inner Diameter: 9.8mm/0.39inch 2.28inch High: Outer Diameter: 13.6mm/0.54inch, Inner Diameter: 9.6mm/0.38inch 2.30inch High: Outer Diameter: 17.3mm/0.68inch, Inner Diameter: 11mm/0.43inch 2.54inch High: Outer Diameter: 17.3mm/0.68inch, Inner Diameter: 11mm/0.43inch Package Includes: 1 Piece Seal Waterproof Medicine Case Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful on-line shopping!