The YKK Vislon #10 Separating Zipper AutoLok Double Pull Plastic Slider 18 inch White combines large, molded plastic teeth with a separating design and double pull sliders for versatile two-way access. Featuring an Auto-lock slider mechanism, it ensures smooth operation and secure closure. Built with corrosion-resistant, chemical-resistant, and UV-resistant materials, this heavy-duty zipper withstands harsh marine and outdoor environments. Its self-lubricating construction enhances durability and reliability, making it suitable for applications like jackets, tents, convertible tops, and upholstery where strength and weather resistance matter. The white color and 18-inch length provide a practical fit for various outdoor projects needing strong, long-lasting fasteners.