1. In terms of design, it is kept soft, and at the same time, it is explosion-proof, non-slip, and durable. 2. ALL-IN-ONE HOME GYM EQUIPMENT AND OFFICE BALL CHAIR ENTERTAINMENT: Get this exercise ball and you can do low-intensity exercises like Pilates, Yoga, Pregnancy Gymnastics at home without going to the gym. Of course, you can also use it as an office ball chair to improve your posture and relieve back pain. 3. IDEAL GIFT CHOICE: Yoga balls are available in 2 sizes (55cm, 65cm) and a variety of colors for a look and fit. Great as a gift for family and friends who love yoga, pilates and fitness. 4. PRECAUTIONS: Do not use fitness ball on a slippery surface, such as wooden floors or tiles, especially if using as an exercise ball chair or office chair.