This 305mm x 234mm (12 x 9.2 inch) BlitzRCWorks Lipo Guard is made from high quality fibreglass woven fabric, similar to fireproof suits worn by firefighters. The BlitzRCworks Lipo Guard brings you the peace of mind in top notched Lipo Charging and Storage Safety! The Lipo Guard is made of a space age fire proof material that is immune to any flame or battery malfunctions! Due to the way a Lithium Polymer battery is charged and discharged, Lipo's have proven that they can be unstable and down right dangerous when charging! The BlitzRCworks Lipo Guard provides a safe and fireproof enviroment for your Lipo battery or batteries. You simply insert your Lipo into the Lipo Guard during your charge process and let her charge! It can be used to charge and store your lithium polymer batteries. Don't wonder if your charging safely! Get the BlitzRCworks Lipo Guard and charge your Lipo's with Flame Proof Safety!