Gymnastic ball with expander - 55 cm Gymnastic ball with expander LIFEFIT GYMBALL EXPAND 55 cm is a ball from a series of professional gymnastic balls that increase the possibilities of exercising arms, shoulders and upper back. The LIFEFIT 55 cm ball is made of high-strength and durable PVC with a load capacity of 200 kg. Anti-slip surface protection and the ANTI-BURST system (slow release of air in case of overpressure) ensures a high level of safety and health of the exerciser. The series of gymnastic balls with an expander LIFEFIT is produced in several sizes. LIFEFIT balls are suitable for versatile use in fitness, cardio and rehabilitation exercises. The balls are intended for commercial and private use. - gymnastic ball with expander - expanders significantly increase the possibility of using the ball during exercise for all levels of fitness exercise - diameter 55cm - recommended height of the exerciser 155-165cm - maximum weight of the exerciser 200kg - highly resistant PVC material - anti-slip surface protection - ANTI-BURST system (in gradual release of air in case of overpressure) - designed for versatile fitness, cardio and rehabilitation exercises suitable for commercial and private use.