High quality materials: Pill Container made of aluminum alloy, light and strong, not easy to be broken and able to serve you for a long time. Non-toxic, won’t bring you harm or allergy, and keep your pills clean. Waterproof: The portable pill holders adopt rubber sealing ring design which makes the waterproof pill container, keep your pill dry. Portable: The aluminum pill cases come with a key ring, easily attach to your key ring or bag, easy to carry and very hard to forget. Size: The box for small tablets has a length and width of 48 * 17 mm and is suitable for storing aspirin, pain medication, beta blockers, cold tablets, statins, vitamins and other pills. 6 colors: The aluminum keychain box includes 6 colors which are red, gold, blue, black, silver and green, which not only gives you more choices to hold tablets, setline, etc., but also can be a beautiful decoration.