WanPower 70076 2pcs Fireproof Explosionproof Lipo Battery Safe Bags, 185x75x60mm Large Size Protection Bag for Battery Charging and Storage, Color Silver Includes 2x silver Lipo large size safe bags It is fireproof and explosionproof and used for storing any kind of battery, especially for RC Lipo battery. The fireproof bag is made from flame retardant and high intensity non-woven fabrics. It can effectively isolate the battery from contacting with the air when combustion or explosion accidents happen. This may significantly reduce the loss caused by the accidents. Color: Silver, Size: 185x75x60 mm, velcro closure design Warning: Never leave charging battery unattended. Always ensure the battery is with a non-flammable surface. Ensure flap is sealed while charging .The Lipo safe bag is intended to reduce the chances of damaged in the event of a lipo fire.