Tucker Ball Medium Dog ToyThe AussieDog Tuckerball Medium dog toy is a great treat dispensing dog toy. Place a small amount of dry food in the opening and give to the dog. As the ball rotates it will dispense food particles at random. Great for any dog in the 10-30kg range. The internal restricting device will obstruct the food flow to make the food last longer. When empty the restrictor will roll around inside making a noise, This excites the dog and he will continue to chase it long after the food is gone. 6 month warranty.