Features: Safely store and transport your 21700 batteries with this battery storage container. This battery case provides a practical solution for organizing and storing your 21700 batteries. Its convenient size allows for easy carrying and storage. Specifically for 21700 batteries, this storage box case offer a secure and clean environment. Its tight seal effectively prevents dust and moistures, ensuring the long terms use of your batteries. Suitable for users of 21700 batteries, including photographers, outdoor enthusiasts, and everyday electronics users. This storage box case keep your batteries ready for use in any situation. Carry this convenient battery storage box case. Easily fit into your bag, pocket, making it perfect for travel, outdoor activity, daily use. Never worry about losing, damaging your batteries again. Specifications: Component: PP Size:Approx.81.5x49x25.6mm/3.21x1.93x1inch Suitable for 21700 Batteries Case Option Type: 1pc Storage Case ,2pcs Storage Case; Package Includes: Package A 1pc Battery Case Package A 2pc Battery Case note: Please allow 1-2cm errors due to manual measurement,please make sure that you donot mind befores you order. Due to the differences between different monitors, the picture may not reflect the actual item color.