I recently found this toy at my local Shopr Rite store. It is a very sturdy toy. I decided to give it a try for my 11 year old Hound-shepherd mix. She loves to chew on balls and is a heavy chewer. She is older now and chews less but still goes at it for an hr or so!

Introducing the ZoomieRex IncrediBall

You may find more information here - https://www.petplay.com/products/zoomierex-incrediball-toy