Versatile Storage: Ideal for storing matches, keys, geocaching items, first aid supplies, sewing kits, fishing accessories, camping essentials, traveling necessities, and more. Material: Aluminum Waterproof Design: Features a silicone O-ring to keep contents dry and protected. Convenient Attachment: Includes a carabiner and ring for easy attachment to backpacks, belts, or other gear. Dimensions: Diameter: 1-1/2" Height: 5"