The Pet Champion Basic Collar, Medium, Brown will surely get the job done. Constructed of 5/8 inch wide 100% polyester this collar offers superior durability at a great price. Featuring a 100% steel D-ring and pure polypropylene buckle you can be assured your pet will be secure. The Pet Champion Basic Collar, Medium, Brown will fit most small pets with necks 10-16 inches. This Pet Champion Basic Collar is available in Brown and adjustable sizes Large (18-24 inch), Medium (10-16 inch), and Small (8-12 inch).