ITEM NAME:Portable Waterproof Outdoor Medicine Pill Container Aluminum Case Keychain #gib Store Home Promotion Hot Item Add to Fav.Made of aluminum alloy, high hardness body, waterproof and not easy to break;. Bottle length: 80mm/3.15" (not including the key ring). Material: aluminum alloy. Net weight: 18g. EDC lightweight design, only 18g, can easily be hung on key ring;.