Electronics Fire Containment Bag (FAA Certified Materials) Large Our Bags Are Tough! Our Fire Containment Bags passed violent detonation tests (small explosives were involved) with zero exterior damage. Our bags were tested on 4 separate occasions with an overheated laptop containing a 4500mAh Lithium-Ion battery. The bag showed zero exterior damage. Our Materials are FAA certified. Our carbon felt liner helps contain a significant amount of smoke. Dimensions: Laptop Sized 14"W x 17"H x 2D. Free Bag Replacement Guarantee. When one of our bags is used to contain a fire we'll send a new one for free...(some conditions apply)