Horizon Balance Ball Trainer: The half exercise ball with base engages your core & muscles. Perfect for older folks or athletes, the half yoga ball is perfect for pilates training and comes with a brochure for exercises. IMPROVE STABILITY: The half exercise ball with base engages your core & muscles. Perfect for older folks or athletes, the half yoga ball is perfect for pilates training and comes with a brochure for exercises. VERSATILE WORKOUT: Perfect for strength & Cardiovascular training, the exercise half ball with exercise ball base core trainer is also great for stretching, rehabilitation & plyometric training. UNLIMITED EXERCISES FOR ALL LEVELS: Enabling variation, this balance half ball is the perfect balance exercise equipment for beginners, strength trainers, intermediates, and advanced athletes. PREMIUM DURABILE DESIGN: The textured, non-slip, PP & TPE constructed balance ball half & stability ball base supports 440 lbs, The half balance ball includes an easy pump & portable inflation straw.