POSTURE CUSHION offers the ultimate in back support and comfort. Soothe an aching back and help improve posture while you sit with this plush cushion that cradles every area of your spine. Micro-beads in center section offer firm support to the lower back; the padded base supports pelvic area. 100% polyester cover; poly/cotton/micro-bead fill. 17½" x 12½" x 3". Spot clean.