The Firefly Secret Life of Pets Rotary Toothbrush features oscillating soft, premium DuPont bristles for a deep cleaning that helps remove more plaque than manual toothbrushes. Soft gentle bristles effectively clean between teeth and along the gum line. The 3D toothbrush cover keeps your toothbrush protected. Make your oral care routine fun with Firefly and Secret Life of Pets. Firefly makes healthy habits fun!