Easy to Carry: This pill box with keychain weighs only 45g. The weight of one pill box is only 15g. Whether you want to use it as a regular pill box for everyday use, it is the perfect choice to meet all your needs.Waterproof: The pill holder has a rubber O-ring seal on the screw cap, which makes it airtight and waterproof, to keep your pills safe and dry when you are on vacation, traveling, camping, or doing other outdoor activities. This small pill container is made of good aluminum alloy, which fully protects the pills inside.High-quality Materials: The entire body of this travel pill box is made of aluminum alloy, which is super durable and sturdy. It keeps your pills or any type of medication safely inside. No more worrying about drops or accidents during your daily activities or sports. Special Designs: The keychain on the top of this pill organizer allows you to easily place it with your keys. The unique lid design allows you to quickly open the pill bottle in an emergency situation, saving you more time than a regular pill box. Multifunctional Use: The pill bottle keychain not only holds your daily medications, but is also capable of keeping your emergency cash close while on the go, as well as your notes, earplugs, toothpicks, spices, or anything else you want to hide and protect. It is lightweight and can be easily attached to belt loops, handbags, golf bags, or as a zipper pull for a coat or jacket.