Yueton Silver Large Size Lipo Battery Guard Sleeve/Bag for Charge  Storage Size: 11.5 x 9 inch (300*230mm), Velcro closure design. The bag is large enough to hold several 3 cell R/C lithium polymer helicopter batteries. Made of high quality fireproofing material, effectively isolate the battery and the air if explosion happens. It is great for storing/transporting/ charging batteries. Package includes:2pcs of Silver Large Size Lipo Battery Guard Sleeve