... airtight zippers for diving suits 1) High quality 2) Competitive price 3) N3,N5,N8,N10 Application 1) Diving suits (dry suits, wet suits) ; Protective clothing for leisure, ... Watersports clothing; Tents, flexible covers 3) Bags and backpacks for daily use and outdoor activities such as cycling, biking, sailing ... and alkalis (normal temperature)Good watertight zipper, airtight zippers for diving suits