Coccyx Cushion 18 W x 16 D x 3 H Jobst Relief 20 30 Thigh Hi 9 * Strategic locations for E1 3 9 * Strategic locations for superior comfort and fit * Effective long term immobilization and protection * Adjustable radial and palmar stays * Patented 3 dimensional molding technology * Adjustable design for customized fit * Exceptional comfort * Large Back Size 14 x 27 * Designed for Arthritis sufferers * New Four Stage Therapy Switch provides optimum 20 minute treatments * Simple one touch control features auto shut off timer * Produces intense moist heat without adding water * Fast acting therapy relieves pain and stiffness for hours * HCPC: E0210 * 3 yr warranty Those who suffer from tailbone pain find the coccyx cushion the most comfortable due to the cut out at the back of the cushion * This cut out design significantly reduces pressure on the tailbone * Ergonomically designed to provide support while reducing direct pressure on the tailbone * Made with premium quality self molding memory foam that reacts fast to provide instant relief and comfort and provides slow memory foam recovery for longer support * The removable soft polyester and rayon cover zips off easily for machine washing while the transport strap provides convenience for travel * Hypo allergenic *