Signagel Electrode Gel 250 Gram Tube Bx 12 Wrist BP Monitor Please don't immerse it into Undercast Padding Please don't immerse it into water Excellent Retail Packaging * This ball was specially designed to deflate slowly if punctured thereby reducing risk of injury * Provides improved stability at the points of body contact and enhanced performance due to the responsive surface design * Comfortable to sit on * Great grip thanks to built in latitudinal ridges and an outstanding texture that doesn t feel like plastic * Comes with two plugs an inflation adapter a measuring tape to help insure proper inflation and a poster detailing 24 exercises 250 Gm (8 oz) Tube Bx 12 * A highly conductive multi purpose electrolyte meets all the standards of the ideal saline electrode gel * Recommended for ECG defibrillation biofeedback and EMG *