The collar pad comes in a variety of colors that has a durable, firm core to help distribute forces of collar strap across the dogs neck dog when they are pulling. It is removable from the collar strap and is washable. These pads will fit a 1.5" wide collar strap including the buckle size. We can custom make a collar pad to fit the width of your collar strap, just email us at Tallygo.lurecoursing@gmail.com to order with specific information about pad color, length, and collar/buckle width.