Pro Series Exercise Ball Slow Deflate Blue 75 cm. ADL Bathroom Products * Contoured base eliminates sling seat 14283 * Contoured base eliminates sling seat hammocking and minimizes seat rise 6% Power Increment Settings: 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