He&Ha Pet Dog IQ Treat Ball Training Toys with Quack Sound Dispenser Slim Cat Meal Dispensing Keeps your dog entertained for hours, helps promote healthy diet and activity. Unlike most noise making toys, the sound from this toy is not irritating, it's actually cute and fun, more like a duck's quack. Turned the snack time into an even more challenging playful learning activity. Recommended worldwide by veterinarians, trainers and dog enthusiasts as being helpful in distraction as a form of therapy, perfect for controlling pet behavioral problems. Tips:This ball is made of plastic can not bear a fierce bite Dogs Under 20 lbs Suggested Use