Double-Sealed Watertight Zipper

High quality Smooth Performance Customizable

Double-sealed watertight zipper designed with a dual sealing structure for enhanced protection against water penetration. The double sealing system helps prevent liquid penetration under water pressure, delivering reliable watertight performance while maintaining flexible operation and a tight closure. Suitable for technical outdoor apparel, protective equipment, waterproof bags and other applications requiring a higher level of water resistance.

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Product Specifications

ItemDetails
MaterialPolyester tape + nylon coil + double TPU watertight sealing layerd
Zipper Size#5 #8
Waterproof FinishDouble-sealed TPU watertight construction
Slider OptionsAuto-lock, non-lock and other functional options
Tape Color MatchingYKK, GCC and Pantone color card
MOQ1000 pcs or 2000 mtrs per color. Smaller runs are available with extra color-dyeing charges

Key Features

1

Double-Sealed Watertight Construction

The dual-layer TPU sealing structure forms a tight compression seal when closed, creating two sealing barriers to help prevent liquid penetration under water pressure.

2

Reliable Watertight Performance

Designed to provide a secure watertight closure for applications requiring protection against water penetration and a higher level of sealing performance than standard waterproof zippers.

3

Flexible & Smooth Operation

Maintains good flexibility and smooth slider movement while forming a tight watertight closure, balancing sealing performance with ease of operation.

4

Durable Sealing Structure

The reinforced sealing construction is designed to withstand repeated opening, closing and bending, helping maintain stable sealing performance during use.

5

Clean Technical Appearance

The uniform sealed surface creates a clean, streamlined appearance suitable for technical apparel, outdoor equipment, protective products and other functional applications.

6

Customizable Colors & Specifications

Tape colors, zipper size, slider options, length and other specifications can be customized according to product requirements.

Zipper Size

SizeTooth thicknessTooth width
5#0.75mm6.0mm
8#0.80mm7.5mm

Zipper Type

  • Open-end
  • Closed-end
  • Two-ways closed-end X
  • Two-ways closed-end O
  • Two-ways open-end
  • Continuous roll

Applications

  • Outerwear & Technical Garments: Waterproof diving suits, floating suits, technical shells, extreme outdoor jackets, protective clothing and other high-performance functional apparel.
  • Bags & Luggage: Waterproof dry bags, floating storage bags, waterproof backpacks, sealed luggage cases, underwater equipment bags and other technical gear bags.
  • Marine & Outdoor Equipment: Marine equipment bags, sailing gear, outdoor equipment, survival gear, waterproof protective covers and other products exposed to water or demanding outdoor conditions.
  • Protective & Industrial Products: Waterproof medical supplies, sealed industrial storage cases, protective equipment cases, water-resistant technical equipment and other products requiring enhanced watertight sealing.
  • Waterproof Cases & Accessories: Electronic equipment cases, tool pouches, protective covers and other functional products requiring secure closure and protection against water penetration.

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