The TravelrestInflatable Travel Pillow attaches to the "wings" of an airline seat, headrest of a car, or can be worn "messenger bag style", nestling against the head and neckto provide support and comfort in flight or on the road. Even without a seat back, inflatable Travelrest's versatile design provides excellent support. Simply sling the tether cord over your head and shoulder and relax. It's The Travel Pillow, Reinvented!