Pro-Zip^™ Marine heavy-duty all-plastic separating zippers are designed for boat and tent canvases, awnings and sunshades, sleeping bags and other outdoor applications. It includes all-plastic sliders (pull tabs) for corrosion-resistant performance in freshwater, saltwater and humid conditions. Features #10 molded plastic teeth for lightweight durability and extra-large ¾-inch-wide tape for easy sewability. 

qualitythread.com