#5 Brass Nomex® Fire Retardant Separating (Jacket) Zipper dress-zippers This is a huge differentiator

This is a huge differentiator to standard/classic metal zipper chain

One side of the reversible zipper when worn appears invisible/concealed

Full Spool: 150-yard manufacturer spool - perfect for storage

and are sometimes called dual zippers

Nylon coil zippers are flexible and are ideal for projects with curves

#5 Brass Nomex® Fire Retardant Separating (Jacket) Zipper dress-zippers This is a huge differentiator#5 brass Nomex fire retardant zippers are made of medium weight metal and feature teeth that measure approximately 5mm (1 4 inch) wide when zipped. The zipper tape is made of fire retardant, high temperature resistant Nomex material. Zippers separate at the bottom, jacket style. The zipper teeth have a shiny gold brass finish. These are one way zippers (they have one slider). These zippers are UL tested and certified.