The Goldsen Pet Dematting Comb is a versatile tool that can be used to remove undercoat mats from both dogs and cats. The comb features dual heads with 12 teeth on each head for stubborn mats and tangles, and 23 teeth on each head for thinning and deshedding. The teeth are made of stainless steel for durability and easy cleaning, and the handles are ergonomically designed for comfort.