?What you get?:If you encounter any quality problems with our 2Pack Pill Box Keychain, please contact us for a free replacement or a full refund. ?100% WATERPROOF?: The pill holder has a rubber O-ring gasket on the screw cap made it airtight and watertight enough to keeps your pills inside safe and dry when you are on vacation, trip, camping or any outdoor activity. ?Easy to Carry?:Each individual pill lanyard is equipped with a key ring at the top, we can easily fix them on the handbag or belt through the key rin when we go out, it will be a good assistant for you to travel. ?Dimension?: Weight: 8g (0.28 oz); height: 1.97"; Inner Diameter - 0.43";Inner Depth - 1.26";. ?DUAL FUNCTION?: Works as a beautiful necklace charm pendant and a mini pill fob to keep your emergency pills.