1)creat for use in the car,plane,train,etc 2)bones shape memory foam pillow make people comfortable and decrease the tiredness bones shape memory foam pillow1.creat for use in the car,plane,train,etc.2.molded visco-elastic polyyurethane memory foam pillow.3.bones shape memory foam pillow make people comfortable and decrease the tiredness,cradle your head and neck with this uniqualy contour pillow ...