Item includes Large 2PCS Stoppers, dog toy NOT included.
Interactive IQ Dog Toy:Use silicone stopper to plug the top holes, leaving the remaining side holes to leak food, dogs must roll or push the ball to get the food which inside the ball, your pet's brain and intelligence will be improved greatly through healthy exercise.
Food grade silicone, resistant to high and low temperatures, dishwasher safe.
Remove the stopper when applying the frozen toy function.
Do not leave toys with unsupervised pets. Prevent accidental ingestion.