Three-Pack YKK 18.5" x 1" #5 Brass Two-Way Separator Zippers - Navy - Use for sail covers, canvas enclosures, jib luff sleeves, jackets, and much more! Three-Pack YKK 18.5" x 1" #5 Brass Two-Way Separator Zippers - Navy Auto-locking sliders Heavy-weight with polyester tape & gold teeth Great for any sewing project