Litop&reg; Pack of 5 Transparent Color Battery Waterproof Battery Storage Case Box Holder Organizer for 18650 Battery or 16340 Battery (5PCS Transparent) Package included: 5pcs waterproof battery cases Can storage 2pcs 18650 or 4 pcs CR123A batteries/16340 batteries. Easy to open or close,convenient to use. Made of high quality plastic, it's very durable. Light weight and compact size to better organize your batteries, good for travel. Note:it can not be considered to be completely waterproof