The Hertzko Long and Short Teets Comb Grooms Your Pets Top Coat and Undercoat is a great way to keep your pets looking shiny and healthy. This top coat is designed to be easy on the pet’s skin and will not cause irritation. It also has a protective formula that will help resist moisture loss and repel environmental factors such as water, wind, and dust. The bottom layer is made of a soft, flexible plastic which will not cause damage to the pet or the user.