Fresh Plant-Based FormulaMade from natural substance, removes stubborn black stains ,leaving their mouth fresh and clean.Pet toothbrush pen is made of safe and Non-Toxic materials, you can use it with confidence. Solve Pet's Brushing painfulHaving periodontal diseases is painful for your pet , Soft brush makes cleaning painless and less stressful. Small head tip for those hard to reach places. Fresh BreathPet toothbrush pen contains a fresh oral formula that effectively removes bad breath and leaves your pets breath fresh. Convenient To UsePet toothbrush pen uses pen-shaped design that is easy to handle and convenient for cleaning your pet's teeth. The non-slip design is easy for you to handle and helps you keep your pet's teeth healthy and happy lifestyle. Strengthen GumsGet rid of pet's bad breath by repairing damaged gums and fortifying it.White pen can penetrate into the gums, remove tartar and stubborn dental stains on the teeth, soften the teeth on the calculus, make the calculus lose and fall off.