This lot of 10 Penn Veterinary Pet After Surgery Collars with a diameter of 10cm is specially designed for dogs of small size. The collars are made of high-quality, durable materials to ensure that they provide the utmost comfort to the pet. The collars are ideal for pet owners who want to keep their pets safe after surgery or during the healing process. The Penn Veterinary Pet After Surgery Collars are suitable for pets that need to be prevented from licking their wounds or scratching themselves. The collars are easy to use and adjust, and provide a hassle-free experience for both pets and pet owners.