Spiral zip fasteners

 Spiral zip fasteners, size  4 – 6

 WS0 + WSK

 size 4

 Very fine and flexible woven spiral fastener

 W0

 size 4

 Fine flexible sewn spiral fastener

 W5

 size 6

 Medium – strenght sewn spiral fastener

 W10

 size 6

 Medium – strenght sewn spiral fastener

 WS10

 size 6

 Medium – strenght woven spiral fastener