Bosu Pro NexGen 25IN Home Fitness Exercise Gym Balance Trainer with Pump, BlueImprove your strength and flexibility with the Bosu Pro NexGen Balance Trainer. This inflatable Bosu ball lets you perform variations of a number of exercises, from plants to situps to squats, while improving your balance and flexibility. The Bosu Pro NexGen Balance Trainer has an over molded rubberized base that will stay firmly in place so you can use the inflatable surface of the Bosu trainer. The quadrant design on the Bosu trainer's surface helps