Anti-burst design - ball slowly deflates if punctured to prevent falls and injuries Versatile use for yoga, Pilates, core strengthening, and low-impact exercises Made from durable PVC material with anti-slip surface for secure grip during workouts, supports up to 300 lbs static weight capacity Perfect 9-inch size for between-the-knees exercises, barre workouts, and stability training Includes quick-inflation pump for easy setup; arrives deflated for compact shipping