The teeth of Metallic Teeth Nylon Coil Zippers is Nylon, but has the metallic looking. So the zippers have the advantage of nylon coil zipper (like zipping smoothly, light weight, easy to use, etc), also has the nice metallic looking as metal zippers.
YaHoGa #5 Gold Metallic Nylon Coil Zippers by The Yard Bulk 10 Yards with 25pcs Gold Sliders for DIY Sewing Tailor Craft Bag
Black #8 Nylon Coil Zippers for Sewing (24 Inches, 3 Pack)
, #5 Coil Separating Zippers—looks like metal, but they're nylon. Zippers can be easily shortened. Additional pulls available to make shorter
#5 Nylon Coil Rose Gold/Black Tape 24 O/E
YKK #5 Brass – Separating Zipper. Color Black. Made In The USA. (1 Zipper/Pack)
YKK ®#5 Brass – Separating Zipper. Color Black. Made In The USA. (1 Zipper/Pack) (24 Inches)
#5 Metal, Brown, 24 YKK Separating Jacket Zipper with Brass Teeth, #6JK-24-BRO
Brass #5 YKK Medium Weight Jacket Separating Zipper - Choose Your Length - Color: Grayish Olive #564 - Made in The United States (1 Zipper Per Pack) ( 24 Inches)
Coats & Clark Coil Separating Zipper-24 Polyester Dogwood (Box of 2)
24 Separating Zipper: Shiny Gold #5 Coil on Black
#5 Metallic Coil On Black Tape Zipper
Shiny Gold #5 Coil on Black Tape Zipper Yardage
5 to 59 Inch Heavy Duty Separating Black Zippers 8/