This is a comfortable shoulder strap for AirLift oxygen carriers. This shoulder strap works with all AirLift oxygen carriers, and features an ergonomic design for more comfort. The padded area of the strap features soft motion flex materials that evenly disperse weight for a more relaxed carry. Also, there are 2 adjustment points to let you find a personalized fit. Made of non-flammable durable materials, this shoulder strap is machine washable; hang dry.