CET Toothbrush/Feline Dual-Ended C.E.T. Toothbrushes come in a wide variety of sizes and designs to fit the needs of all pets and their owners. C.E.T. Dual-Ended Toothbrush Soft bristles assure a gentle, well-tolerated application. Long handle with reverse angle allows easy application. Tapered shape of head and bristles conform to pet's mouth and teeth. Dual-ended for large and small tooth surfaces.