Use either the curved or flat side of this multifunctional core training device to integrate balance into every aspect of fitness, sports performance, or rehabilitation. The BOSU Balance Trainer adds versatility and challenge to an incredible range of activities: cardio, strength training, athletic and sport conditioning, core training, and mind/body workouts. Combine it with other equipment to add new, exciting elements to existing training regimens. Made of commercial grade materials, designed for durability. The platform is molded for extra strength. This model has the PRO logo detail for easy identification and a smooth but non-marking, non-skid base.