YKK Vislon Zipper #3 Molded Plastic Separating 27" - Sweaters - Black (1 Zipper) YKK Vislon Zipper #3 Molded Plastic Separating 27" - Sweaters - Black (1 Zipper) YKK's lighter weight molded separating zipper. Perfect zipper for sweaters and light weight jackets. YKK Vislon Zippers, smooth gliding, high end zipper YKK Vislon (molded plastic) teeth zippers