All of our Dog Collars are made of 1 piece construction. That means 1 piece of snakeskin bonded to 1 piece of top grade leather, our Dress collars are machine stitched and our working dog collars are Hand Laced using Black or Brown Calfskin. Collars are custom made to fit your dog. Our dress collars are made from 5/6oz top grade leather,and our working dog collars are designed for large or strong dogs who walk their owners as these collars are made from 8/9oz leather. All buckles and "D" rings are solid Brass and come in either Brass or Silver Finish. Dress Collars are 1" to 1 3/4" wide and Working Collars are 1" to 1 3/4" wide. All collars are hand cut. All collars are treated to protect against dirt and moisture. We make what we sell and guarantee our products.