The Inogen One G4 Carry Bag is a stylish solution to transport and protect your Inogen G4 mobile unit. It features an adjustable belt loop that will make carrying your G4 easy and comfortable. The G4 bag features a polyester construction and is weather resistant to protect the unit from weather elements like wind, dirt and rain. . The carrying bag provides plenty of room for both your unit, G4 batteries, other accessories and personal items.