EXTRA WIDE BACK SUPPORT - The award winning ObusForme Wideback Backrest Support transforms ordinary chairs into ergonomically correct seating by providing a full back support pillow designed for broader backs; measures 19” W x 3.5” D x 22” H x 3” Thick ENGINEERED FOR COMFORT - The engineered shape of the large seat cushion conforms to the natural spinal curvature aligning your spine and supporting correct posture; soft and durable polyurethane foam encapsulates the frame for comfortable use LUMBAR PAD - The removable lumbar pad provides additional comfort and lower back support by reinforcing the lumbar curve PORTABLE SEAT CUSHION - A convenient handle makes it an ideal seat cushion for office chairs, car seat back support, and more ABOUT OBUSFORME - A premium brand within HoMedics’ wellness group; ObusForme brand is a global leader in ergonomics with a passion for developing innovative products that maximize comfort, improve posture, help prevent injury and aid in recovery