Our red setter is a strong chewer, he loved this ball and for a day or so it seemed to hold up, unfortunately after 5 days it's in the bin as he managed to start tearing and eating bits off around the holes.
Not suitable for small kibble
I purchased this based upon all of the raving reviews. Unfortunately, however, the kibble which I use (James Wellbeloved - puppy) pours straight out of this ball on each rotation and it is empty within two minutes. It is definitely a durable product, so I can't fault it from that perspective, but as regards it slowing the dog's eating down or offering any form of entertainment or challenge to the dog, it fails. Perhaps, as the dog grows older and the kibble is larger, I will be able to use it.