The Stress Relieving Desktop Punching Ball takes an average, squeezable stress ball to a whole new level. Made from an extremely durable and resilient material, the punching ball itself can withstand a beating from your fist without ever becoming weakened or deflating. With these punching balls, you can strike it, again and again, to ease the stress from your workday until you are feeling calm again.

Available at amazon.com for $24.95