Mirage Pet Products Purple Bats Pet Bow Tie Collar Accessory with Velcro is constructed of long-lasting polyester, the bow tie is designed for durability and to resist wear and tear. With its vibrant colors, invite a pop of color to any pet's ensemble. The bow tie is approximately 3-1/2 inch by 2 inch in size. Each has a slide adjustment allowing them to fit a neck size of 9 inch - 16 inch. **(Big Dog bow ties measure 5 inch wide and 3 inch tall. They come with an elastic band that stretches to fit a neck size from 11 inch to 22 inch.)