Y&Y Star Pack of 3 Silver Waterproof Aluminum Pill Box Case Container Pillbox Keychain with Key Ring Bottle Cache Drug Holder (3pcs silver) Perfect size, well finished, and cheap. Use them for pet id information, DRUGS, or store next tax refund. Grasp the key ring to easily twist open,Made of sturdy metal with seal tight screw top Specifically designed to hold a side putting pills in and for many other usage ways,Protects pills from crushing, contamination, and contact with water Set of 3 Silver pill pods Large Size with Interior Dimensions - 17mm Diameter and 48mm Length including the top