Features: The pill holder is made of high-quality brass with high hardness, light weight, and strong corrosion resistance. It fully protects the pills inside. A 360 silicone ring is used to prevent leakage and ensure waterproofness. Once tightened, it's well-protected from light and airtight. Keep your pills safe and dry during vacations, travel, camping, or any other outdoor activity. Each individual pill holder is equipped with a keychain on the top, so you can easily attach them to a purse or belt using the keychain when going out. It will be a great assistant for your trip. MULTI-PURPOSE: The mini keychain pill holder can not only store your daily medications, but also your notes, earplugs, toothpicks, spices, or any small item you want to hide and protect. Light-tight seal. Small and exquisite, comfortable in the hand, easy to carry. Specifications: Material: Brass Small size: Approx. 12.5x31.8mm/0.49x1.25inch Medium size: Approx. 17.5x47mm/0.69x1.85inch Large size: Approx. 22.5x61.2mm/0.86x2.41inch Note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Sealed Bottle