The sturdy mini pill holder is made of Quality Aluminum Alloy, well built, solid, durable, lightweight. It can withstand hot weather and with heat resistant. There is a keyring attached to the pill case, which can be clipped to the belts, bags and keychains. Different color can be distinguish different drugs. The pill case is waterproof and super sealed, sealing ring keeps the pills inside dry and not damp. Each keychain pill container can store medicines, vitamins, post-it notes, earplugs, practical and convenient. Its compact size is perfect for leisure, business, travel, office, etc.or other outdoor activities. It is a sweet gift for your friends or families.