Teenitor Fireproof Explosionproof Lipo Battery Safe Bag Lipo Battery Guard Safe Bag Pouch Sack for Charge & Storage 185x75x60mm Large Size WELL CONSTRUCTED: with the super secure closure of this product When you secured the closure it was kind of hard to open PERFECT SIZE: 185 x 75 x 60mm (Large), fits probably 4-6 batteries depending on the type, can hold 3 DJI Mavic Pro batteries in this configuration or two other ways. BETTER BE SAFE THAN SORRY: It's always smart to practice safety, especially with lipo batteries! Always use a lipo safe container when charging and storing lipo batteries! BEST MATERIAL : It has just the right amount of stiffness to the material to hold it's shape making loading and unloading a breeze DIFFERENT USE: Can be used when charging battery, transporting it and storage.