Thera Band Exercise Ball 30 75 Cm Blue Thermometers Professional Black 27 * Tunable diaphragm 413116 Black 27 * Tunable diaphragm conveniently alternates between low and high frequency sounds without the need to turn over the chestpiece * Excellent acoustic seal and comfortable fit with patented Snap Tight soft sealing eartips * Comfortably angled anatomically correct headset * Patient friendly nonchill rim and diaphragm * High performance single lumen tubing in a range of attractive colors * 3 year warranty * 5 * Seat height highest 20 30 75 CM * YELLOW * Excellent Retail Packaging * Heavy duty exercise ball used to increase flexibility coordination and strength * Includes multi language exercise instruction chart and retail display box * Inflates with hand or foot pump * Shipping Carton Size: 14 L x 12 W x 8 H