Sebastian & Co. has created this collar that has 2 layers of leather to make it comfortable and strong. In mostly black leather, the inside layer is pink or red with enough on each side to show when worn, and highlighted with sport stitching in a matching color.  Collar comes in 3 sizes...medium 11" - 13", medium-large 12" - 15" and large 14" - 16" and is ¾” wide.