SODIAL(R) Memory Foam Pillow Lumbar Cushion Seat Back For Car Office A superior comfort for the lower back. Helps keep the spine in alignment appropriate, preventing collapses, and attenuated pain in the lower back. Perfectly portable strapping with integrated system. Breathable, removable and machine washable. Can be used at home, office or in a car. The unique design helps stimulate blood circulation and tone the muscles of the back