●The width is 0.4 inches (1.0 cm), and the neck size can be adjusted from 7.9 to 10.2 inches (20 to 26 cm), but the 5 holes allow you to adjust the length to the ●Suitable for cats and small dogs ●The center features a sparkling diamond heart design ●The jingling sound of the cute bell makes it easy to see where your dog or cat is placed ●Size: Width 0.4 inches (1.0 cm), Neck Circumference 7.9 - 10.2 inches