Features 1、The keychain medicine bottle is made of high‑quality stainless steel, which is light, corrosion‑resistant and wear‑resistant. CNC processing, anti‑oxidation, good hardness, not easy to deform. 2、The portable keyring of the pill bottle is tightened with a silicone O‑ring to make it 100% waterproof. Each pill container is equipped with 2 spare silicone O‑rings for sealing. 3、The threads are very smooth, you can easily open and close, convenient for daily use, outdoor camping, hiking, mountaineering, etc. The pill pouch can save space and allow you to take medicines wherever you need. 4、Suitable to be placed in a bag or pocket to carry EDC items. A small hole on the top cover can be easily connected to the keychain/keyring or hanging rope, and the smaller one is also good to attach to your necklace. 5、This helps you organize the pills well without confusing. Unlike oil printed, the box will not be faded, letting you know what pills are in the compartment at any time. Specification Item Type: Emergency Pill Case Material: Stainless Steel Diameter: Approx.15mm / 0.6in Length: Approx.56.5mm / 2.2in (Measured Without Copper Ring) Wall Thickness: Approx. 1.2mm / 0.04in Accessories: Equipped with a stainless steel keyring (Diameter 2cm / 0.8in), 2 washers Function: EDC Waterproof, Sealing, Storage Package List 1 x Mini Medicine Box 1 x Keyring 2 x Washer