Ray Allen Manufacturing dog collars are designed for professional K9 handlers of military and police teams. We offer exclusively made dog collars in several materials including single and double layer leather dog collars, nylon dog collars many made with ID panel applications and dog collars made of RAM-tech material which is a leather alternative biothane material. In addition to our exclusive dog collars we offer the top of the line Herm-Sprenger pinch and choke collars in several materials including stainless steel, black finish and martingale styles.