Features: Durable Anti-Burst Exercise Ball Perfect for core strength exercises, resistance exercises, Yoga, Pilates and more Helps develop overall body muscle, improve balance, coordination, flexibility and circulation For indoor or outdoor use, ideal for use at home, in the office or gym Universal exercise tool to shape whole body Material: PVC Size: approx. 81 x 24cm / 31.9 x 9.45 inch Package Includes: 1 x Yoga Ball