Features 1. Real fireproof material: liquid silicone fireproof cloth, can stand the test 2. It can be combined by DIY, at least 8 grids 3. The size of the product is 21.5*15*14CM, and it can also store 3S batteries for model airplanes, etc. 4. With a charging port, the battery can be charged in it, reducing the risk Package Include 1x Li-po Battery Safety Bag 1x Long spacer 6x Short spacer