Size:NO.8 (8TZN CR airtight zipper)
Teeth material: cupronickel
Tape material: Chloroprene rubber (CR) Neoprene
zipper length: 90CM
close end
Zipper specifications:
Width of zipper teeth: 7.0 MM
Total width of zipper: 70.0 MM
Chemistry resist Work safely after 24 hours deep in 93# gas