WATERPROOF - With a watertight seal this capsule screws tight easily keeping your valuables safe from outside elements. MULTIPLE USES - These capsules can store a variety of things such as supplements, medication, money, matches, and first aid supplies keeping them safe and dry. KEY RING ON TOP - These waterproof containers can easily be stored on a keychain, on your backpack or in your pocket for quick access while camping, hiking, backpacking and for around the house.