Waboba FETCH Ball _ Dog Toy _ Bundle of 4 Identical Balls Water fetching / chasing /retrieval ball for dogs. Floats. Bounces on the surface of the water. For use on the water only. Dogs love to chase. They love the unpredictable bouncing. Bundle of 4 identical Waboba FETCH balls. Great for dogs who like to play Fetch. NOT good for dogs who chew-up toys !!