three. Safe your speaker in position with packing material. You should use packing peanuts, bubble wrap, or other tender materials to protected your speaker set up. This will assist to prevent it from relocating around over the flight and harmful other products in your bag. All airlines have size https://www.bluetoothspeaker.top/new-arrival-bluetooth-speaker-with-led-waterproof-subwoofer-handsfree-wireless/