Features: 1GOOD PROTECTION: This battery safety bag can be used to store most types of batteries, the zipper design provides good protection, and is easy to carry. 2MAIN FUNCTION: Made of fireproof fabric, effectively isolate the battery from the air when the battery is accidentally burned or exploded during charging. 3CHARGING PORT: The charging hole can help reduce airflow and oxygen, which helps to charge the lithium polymer battery pack while extinguishing the flame. 4EXCELLENT FABRIC: With air isolating PVC fiber outer layer, this battery storage bag is fireproof and explosionproof, flame retardant and high temperature resistant. 53PCS IN 1 SET: Including 3pcs lithium battery carrying bags, the capacity is large enough to store the battery pack, suitable for a wide range of applications. Item Type: Lithium Battery Safety Bag Material: PVC Fiber Product Size: Approx. 215 x 115 x 155mm / 8.5 x 4.5 x 6.1in Package Included: 3 x Battery&nbspSafety&nbspBag