Case Star &reg; 2 Pieces Clear Plastic Waterproof Battery Storage Case Holder Organizer for 18650 Battery / 16340 Battery with Case Star Velvet Bag Package included: 2pcs waterproof battery cases Can storage 2pcs 18650 or 4 pcs CR123A batteries/16340 batteries. The batteries are not included. Easy to open or close, convenient to use. Please contact Case Star once any concern on product or accessory issue. Light weight and compact size to better organize your batteries, good for travel.