Integrate instability training to develop strength, endurance, proprioception, balance and flexibility with the new K9FITbone™. The new balance disc shaped like a bone provides fun and a greater sense of dog aesthetics. It is a well–rounded tool that packs a big punch.The K9FITbone provides a low–impact, platform to add full–body conditioning and toning for small dogs and big dogs. The professional grade heavy duty PVC material is formulated for use with dogs, provides superior gripping and resists damage caused by dogs nails.