Made from fireproof fabric, safe and environmentally friendly. Features flame retardant properties for excellent fire and heat resistance, ensuring safety without harming your hands. Reduces losses caused by combustion and explosion. Effectively isolates the battery from air and extinguishes fire in case of accidental explosion during charging. A very safe way to charge and store all types of batteries, including lithium and bromohydrogen batteries. Available in small and large sizes to suit different needs. Lightweight and portable, making it very convenient to carry. Features: 1. Made from fireproof fabric, safe and environmentally friendly. Features flame retardant properties for excellent fire and heat resistance, ensuring safety without harming your hands. 2. Reduces losses caused by combustion and explosion. Effectively isolates the battery from air and extinguishes fire in case of accidental explosion during charging. 3. A very safe way to charge and store all types of batteries, including lithium and bromohydrogen batteries. 4. Available in small and large sizes to suit different needs. 5. Lightweight and portable, making it very convenient to carry. Specification: Material: Fireproof fabric Type: Red S, Red L, Silver S, Silver L, Black S, Black L (optional) Small Size (L*H): Approx. 18.5*23cm/7.3*9.1in Large Size (L*H): Approx. 23.5*30cm/9.3*11.8in Weight: Approx. 98g~156g/3.5oz~5.5oz Package List: 1 * Fireproof Bag Note: 1. Please allow 0~1 inch error due to manual measurement. Thank you for your understanding. 2. Monitor calibration is inconsistent; the color of the item shown in photos may differ slightly from the actual object. Please take the real one as the standard.