This product is a 36" separating zipper made by YKK, a well-known brand in the sewing industry. The zipper is made of molded plastic and has medium weight. It is designed for action wear and has a 2-way functionality. The teeth of the zipper are made of molded plastic and the tape is made of nylon. The color of the zipper is black. This product is made in the United States and is sold as a single unit.