Dog Toy Ball Pet Squeak Ball Waterproof Sound Toys Rubber Teeth Clean Balls For Small Medium Large Dogs Pet Orange Blue GREENProduct information: 1. The surface is protruding, when the dog bites, it can fully rub the teeth, and the massage can not only play the role of teeth cleaning, but also help the dog's jaw muscles develop! 2. Your dog will see the difference! A well known university's research has confirmed that dogs are not color blind, but only "limited color" recognition. When they are happy, they can recognize color target boards with amazing accuracy. So this