Sealing Performance,
Engineered to Endure
Two dedicated product lines for two sealing jobs: block liquid water, or hold air pressure — validated against spray, immersion, salt spray, and temperature extremes.
Certified & Internationally Compliant
for Waterproof & Airtight Zippers
ZIZIP emerged from a relentless pursuit of innovation in hermetic sealing technology. With over 20 years of specialized expertise, we have established ourselves as a premier manufacturer of TPU-coated waterproof and airtight zippers engineered for extreme environments. Our capabilities are anchored by an independent R&D center that has secured 30+ utility patents in hermetic engineering, alongside fully automated production lines certified to ISO 9001:2015 standards. This technological infrastructure empowers us to deliver IPX5 to IPX8 graded sealing solutions, precisely engineered to fulfill diverse waterproofing demands — from daily-use to aerospace .
Match the Zipper to Your Sealing Requirement
Airtight · IPX7–IPX8 AeroSeal™ Airtight Zippers
AeroSeal™ is a specialized sealing system engineered for chamber pressure retention: inflatable structures, sealed enclosures, and…
Waterproof · IPX5 HydroSeal™ Waterproof Zippers
HydroSeal™ zippers block liquid water where it tries to get in: high-density polyester fabric coated in thermoplastic polyurethane…
Engineering-First, From Yarn to Finished Zipper
Vertically controlled manufacturing with validation built into process development.
Corrosion Resistance
Passes 48-hour salt spray testing — compatible with marine and harsh environments.
Custom Engineered (OEM/ODM)
Custom sizes, colors for brand matching, specialized coatings, and puller designs with your logo.
Smooth Operation
Sealing performance without sacrificing slide smoothness — rated for repeated cycling.
Custom Engineered (OEM/ODM)
The right size for your product, custom colors for brand matching, custom materials and coatings.
Your Vision, Our Engineering
Millimeter-Perfect Customization
Custom lengths, sizes, and structures engineered to your specifications.
Custom Colors for Brand Matching
Pantone-matched tape and TPU coating colors for your brand identity.
Specialized Puller Designs
Pullers with your logo — round hook, T-shaped, oval ring, cord styles.
Custom Material & Coating
Material and coating options matched to your operating environment.
Our Certification
30+ utility patents in hermetic engineering — click any certificate to enlarge.
Popular Configurations
Dual-Slider Airtight Zipper
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Dual-Track Airtight Zipper
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Beige AeroSeal Airtight Zipper
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#8 Closed-End HydroSeal Waterproof Zipper
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Standard Airtight Zipper
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U-Channel Airtight Zipper
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Single Separating Waterproof Zipper
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Dual-Slider Waterproof Zipper
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Have a Sealing Challenge?
Free samples · engineering selection support · flexible MOQ · fast lead times.
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