The item is a professional and practical 18x23cm RC Lipo battery safety guard storage bag pouch, which is mainly made of durable blast-proof and fireproof fiber material to well protect your workshop, family and home from the hazard of lipo charging, and the safest way to charge and store your Lipo batteries. Warnings 1. Never leave charging battery unattended. 2. Alaway ensure the battery is on a non-flammable surface. 3. Ensure flap is sealed when charging. Package Including 1 * 18x23cm RC LiPo Li-Po Battery Fireproof Safety Guard Charge Bag Sack Protective Storage Bag Pouch (Red).