Features: Made from all-natural substance, it removes tartar build-ups and stubborn black stains by weakening calculus in your furry friend’s teeth, leaving their mouth fresh and clean. This pen’s soft brush makes cleaning painless and less stressful for your pet without causing inflammation while doing the job. Easy to use with its anti-slip design for you to operate and help you pet maintain healthy teeth and have a happy life. There are two pens included in this kit. The white pen can penetrate into the gums to remove tartar and stains and calculus on the teeth; the blue pen provides dental care for gums and make teeth strong enough. Specifications: Item Type:Pet Teeth Whitening Pen Kit Target Audience:Dog/Cat Material:Plastic Type:2ml+5ml Color: White+Blue Quantity: 2Pcs/Set Package includes: 2Pcs/Set x Pet Teeth Repairing Pen