Donut Cushion Convoluted Red Plaid 16 by Alex Ortho APP Pumps Pads Acces Specially treated with mineral oil Style:Left Ear Specially treated with mineral oil to attract dust for easy removal Massage setting to relax lower back or neck * Can provide relief from conditions aggravated by poor posture * Place between your knees while lying on your side for a more comfortable sleep * Can be used in combination with the ObusForme© Highback Backrest Support or your car s headrest for added neck support * Made with polyurethane foam * Elastic strap holds the ObusForme© Supporting Roll with Massage in the position you desire * Brushed polyester cover can be removed and sponge washed * Small lightweight and portable for use anywhere you sit at home in the office and on the go * Battery Operated 4 AA batteries (not included) * Designed to relieve pressure on the tail bone due to injury or post surgical recovery Removable washable cover