18650 Battery Storage Case Box Set 5 Color Family of portable 18650 battery storage box. (5 Pcs) The thickness of the box body, Durable, please use the index finger and thumb hold the cartridge body, easier to open. with a metal hook, hanging on the wall of nails easier, avoid touching children Can storage 4pcs 18650 batteries in battery storage The small size and light weight of the storage box, to better protect your 18650 battery.