Pro-Series Exercise Ball Slow-Deflate Yellow 45cm.

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 doesnÊt feel like plastic * Comes with two plugs  an inflation adapter  a measuring tape to help insure proper inflation  and a poster detailing 24 exercises