Theratherm Shoulder Neck 23 x 20 Shoulder Immobilizers Supports These blocks are designed to Foot Massagers Rolls These blocks are designed to develop upper body strength and may be used on mats or in bed * Hardwood construction with contoured angled hand grips and spacers for height adjustment from 7 to 9 * 5 wide x 9 long * * Inspected and packaged in the U Digital Moist Heating Pads * Shoulder Neck 23 x 20 * Digital hand control allows operator to program and monitor temperature treatment time * Lockout mode protects against inconsistent changing of the control settings throughout treatment * Allows patient to relax and enjoy therapy without the hassle of maintaining contact with a hand held switch * Moist heat therapy temperatures range from 113¯ to 167¯F * Treatment time between 1 and 30 minutes * Specially designed flannel cover for efficient moisture retention * UL and cUL classified * 1 Year Warranty on heating pads only *