MedicAir Back Supports Support Pillow, 12′ x 18′ Self-adjusting, air-filled supports adjust to virtually any seat for comfort in office, home, car, plane, movie theaters, taxicabs … just about anywhere. Totally portable. Elastic belt included to secure supports in place on chair. Lumbar Roll includes a snap-pouch carrying case. Latex free.Product photo may not exactly match the product offered for sale. Please refer to the product description.