This 1/2 inch wide dog collar has soft nylon weave and unlimited adjustment. It can be buckled any where through the webbing. This soft, durable and washable collar has nickel buckles and dees. For correct collar size please measure your dogs neck and add 2 to 3 inches. For example a size 16 is 16 inches long from tip to tip. This collar is available in size 16 and 18 and in colors Red, Purple, Blue, Light Blue, Green, Pink, Neon Pink, Neon Orange and Black.