【New Upgrade】- Upgraded with 100% natural rubber, environmentally friendly and safe. Thickened edges make the dog chew toy more bite-resistant and durable. 【Healthy Food & Nutrition】- Fill with your dog’s favorite treats, promoting slow and active eating, while your dog plays and rolls the ball, the treats will drop to reward them for being active. 【Train your dog’s brain】- Solving puzzles develops your dog’s intellectual skills. Train your dog treat ball to increase its readiness to learn by pairing treats with playtime. Instead of boring rubber dog toys and chew sticks. 【Emotional Interaction 】- The dog toy keeps your dog occupied and mentally stimulated for long periods of time, reduces destructive behavior. Frisbee games improve interaction with dogs and improve interests, it will increase emotion with your pet.