The Aluminum Storage Keychain is expertly designed to provide an airtight seal that locks in odors, thanks to the rubber O-ring lining and screw cap. This compact and portable container ensures that your contents stay fresh and secure. Made with heavy-duty, aircraft-grade, anodized aluminum, it is lightweight and durable, perfect for protecting your items while on the go. The discreet and sleek design makes it ideal for carrying vitamins and supplements, and it fits seamlessly into any home or office environment.