The most compact model we offer, the GUS¨ Micro pill fob is about half the length of the GUS¨ Mini and holds 2 standards (325mg) aspirin tablets. Use for aspirin, ibuprofen, acetaminophen, mints, etc. All GUS¨ brand pill fobs are precision machined from medical grade stainless steel and are practically indestructible. The mil-spec O-ring seal keeps the container secure, airtight and watertight. The heavy-duty, stainless steel triangle ring secures the pill fob to your keyring (a stainless steel key ring is included with every pill fob). From domestic stainless steel to the O-ring to the triangle and key ring, all components of the GUS brand pill fob are Made in the USA. With reasonable care, the GUS brand pill fob will provide you a lifetime of dependable service.