Teeth Cleaning Toys: Pen tip helps remove plaque and tartar, reduce bacteria growth, keep teeth clean and freshen breath Easy to squeeze to produce loud and crisp sound, providing long-lasting entertainment Keep your dog happy - help your dog fight boredom and reduce his naughty behavior when he is alone at home, you will have a very happy dog Floating on the water, very visible, if your dog likes to swim, he will inspire his hunting instinct to chase the ball