feature: 1. This is a pet tooth whitening pen - whitening pen - can go deep into the gums, remove dental calculus and stubborn stains on the teeth, soften the tartar on the teeth, make the tartar fall off and turn blue tooth care formula, all-round care for the oral cavity And gums, anti-inflammatory and antibacterial, repair gums, strengthen teeth, make teeth more white and shiny, contain natural plant refreshing oral formula, make oral fresh and natural. 2. The soft brush design is safe for pets. 3. The non-slip design is convenient for you to operate and helps you keep your pet's teeth healthy and a happy lifestyle. 4. Small tip for hard-to-reach places. 5. Prevent bad breath, repair and relieve pain, and care for the mouth. Specification: Name: Pet Teeth Whitening Pen Set Material (brush): plastic Type: 5ml Target Audience: Dogs/Cats Shelf life: 2 years Optional packages: A-Beauty Tooth Pen 5ml-2pcs/box+cleaning tool B-Beauty Tooth Pen 5ml-2pcs/box C-Pet tooth cleaning tool