TIGUAR Safety Plus is a universal gymnastic ball suitable for strengthening muscles, balance and coordination. Thanks to the ball, the deep back muscles are connected to the work, which is usually not working. The ball is suitable for stretching exercises and relaxation, it is a great prevention for a healthy spine. The specially formulated material prevents rapid air release as well as a sudden fall even in the event of a mechanical puncture. The ball can withstand a load of up to 450kg! Suitable for commercial use in sports clubs, maternity classes, the elderly, rehabilitation centers.Technical description: Diameter: 65cmFully inflated ball volume: 204cmMaximum recommended user weight: 150kgMaximum load: 450kgAnti-burst material (ball does not explode even in case of mechanical piercing) Use must be kept at a safe distance from strong heat sources. Inflating the ball using a compressor: the ball must first be inflated 5 cm above normal height. After 12-24 hours, the ball inflates slightly, leaving the specified height. In this way, the inflated balls acquire optimal properties. maintain at room temperature. Inflate 10% less than optimal height for the first time, inflate to full height after 7 days. In this way, the inflated balls acquire optimal properties.