Torvol's LiPo Safe Pouch is made of high quality, fire retardant fiberglass fabric and a treated polyester shell, giving you the security and peace of mind to take your LiPos with you wherever you want to race. It safely stores up to 15 LiPos. The pouch is purposefully designed to perfectly fit inside either the Pitstop Backpack or the Pitstop Backpack Pro, making it the perfect race companion.