CFMY 3 Size Waterproof Aluminum Pill Box Case Capsule Bottle Cache Drug Holder Keychain Container Colorful 6pcs, /L Size: L: 2.36inch (6cm). It can be clipped easily to key chains, handbags, golf bags, belt loops or used as a zipper pull for your coat or jacket. Portable, so you can take this little pill holder wherever you go and whatever you do. This pill boxes works very well in water parks, fishing trips, bike riding and camping. O-Ring around cap to make the drug holder water resistant.