Features FIREPROOF AND EXPLOSION PROOF: The fireproof bag is made of fireproof fabric. When the battery is accidentally burned or exploded during charging, it can effectively isolate the battery from contact with the air to achieve the purpose of fire extinguishing PVC OUTER LAYER: Lithium battery safety bag is safe while charging. PVC fiber outer layer with air isolation FLAME OFF CHARGING: Lithium safety pouches can be used to charge and store most types of batteries. Charging holes reduce airflow and oxygen to help charge Li battery packs while extinguishing flames LIGHTWEIGHT AND PORTABLE: The battery storage case comes with a carrying handle, you can easily carry when you go out with the remote control model 3PCS IN TOTAL: The package contain a total of 3pcs lipo battery safe bag, enough for you to replace and use, very convenient Specification: Item Type: Lipo Battery Safe Bag Material: PVC fiber Package List:3 x Lipo Battery Safe Bag Package List 3 x Lipo Battery Safe Bag