Resin airtight zipper is a new professional product with excellent airtight performance. It is composed of high-strength TPU bag tape and high-strength zipper teeth made of special TPU materials. The zipper teeth are tightly attached to both sides of the belt. When the zipper is closed, the cloth belts between the teeth of the zipper are compressed to form an effective and reliable airtight structure. This kind of zipper is soft and light, it pulls smoothly, and also has excellent air-tight performance.

HF Welded Waterproof & Airtight  Zipper  with TPU Fabric used  for Diving Suit, Cooler Bag ,dry bags etc,  best airtight function, hold air pressure over 60KPA.

Heavy Duty Resin Airtight zipper  & Waterproof Zippers with Weldable TPU fabric surface, it can be RF and hot welded for product Ice cooler Bag, water walking ball, Outdoor Waterproof Bags etc.

The waterproof zipper tape is TPU coated fabric, with resin teeth, the slider is metal or plastic， durable and easy to operate.

Custom order length is acceptable from 10CM to 5000CM, and available for continuous zipper chain in any length.