... 1.5mm aluminum 3.OEM, best price 1.5 mm fireproof aluminum audio flight caseComposition of the audio flight case1,5 ... of the audio flight case1,lightweight, high capacity with good fireproof plywood and aluminum.2,multiple specification, and can be customed ... by your requirement3,stable, durable, movable,and fireproof,shockproof.4.wide use: for LED light, scanner, laser, speaker ...