Food Dispenser Ball: Complicated design within this dog food ball enables dogs or cats to overcome some obstacles to get the food Dog Food Feeder Toys: Three open holes on the upper part of this dog balls treat dispenser are made to let dogs or cats to smell food and top cover can be easily unscrewed to clean and add foods into the toy Pet IQ Treat Balls Toy: Specially designed as tumbler, the pet interactive food toys reduces boredom and destructive behavior through healthy play and exercise and arouse interests and appetite of dogs and cats High Quality Materials: The smart puzzle feeder toy is made of ABS+PC material, 100% safe for our pets and stable, durable, non-toxic and safe food container, 100% safe for all pets