Roho Contour Select Cushion 20 W x 18 D Opthalmoscopes Heads Feature 1: with box packing Color:Yellow Feature 1: with box packing Authentic deep tissue massager originally designed for clinical use * Ideal for warming up muscles prior to Chiropractic adjustment * 8 massage spheres cover a broad area ideal for large muscle groups * A full body massage takes only 5 8 minutes * Designed to direct 95% of its energy into the patient s shape and weight * Cushion is adjustable to changes in individual 20 X 18 * The contoured design combined with the simple operation of the ISOFLO© Memory Control unit offers provides a new level of postural control and stability that has never been achieved in an air cushion * The contoured design positions the pelvis back in the wheelchair and centers the individual comfortably in the middle of cushion * The ISOFLO Memory Control unit locks air into each of the four compartments providing stability by minimizing side to side and front to back motion * Adjustable to individual