Cotton Cover. Pillow: 3.8 in/9.6 Cm Diameter, 26 in/66 Cm Length. Rod: 1 Cm Diameter. Air Out If New Foam Scent is Present. Provides Custom Support - Unlike most traditional neck travel pillows for airplanes, our twistable travel pillows contour to almost any shape and position you want to provide you personalized support and pain relief. Not Just A Neck Pillow - Dot&Dot travel neck pillows for airplanes are versatile and convertible. Use it to support your head, back, shoulder, or cervical spine during a nap, when relaxing or reading on the bed, recliner or couch. Must Have Plane Travel Essentials - This flight pillow makes sleeping more comfortable long air plane flight, train, bus or car road trip. The luxury memory foam cushions the body and relieves painful pressure points for ultimate relaxation.