Feature 1、Made of fireproof cloth, safe and environmental protection. Adopted flame retardant material, excellet fire resistance and heat resistance, safe and not hurt your hands 2、Reduce the loss caused by combustion and explosion. Especially when accidental explosion happens during charging, effecitively isolate the battery from the air and extinguish the fire 3、A very safe way to charge and store all kinds of battery like, lithium battery, bromine hydrogen battery 4、Provide small size and large size, two kinds of size to fit for different people's need 5、Lightweight and portable, very convenient to carry out Features: 1. Made of fireproof cloth, safe and environmental protection. Adopted flame retardant material, excellet fire resistance and heat resistance, safe and not hurt your hands. 2. Reduce the loss caused by combustion and explosion. Especially when accidental explosion happens during charging, effecitively isolate the battery from the air and extinguish the fire. 3. A very safe way to charge and store all kinds of battery like, lithium battery, bromine hydrogen battery. 4. Provide small size and large size, two kinds of size to fit for different people's need. 5. Lightweight and portable, very convenient to carry out. Specification: Condition: Material: fireproof cloth 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. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.