The YKK Vislon #10 Separating Zipper AutoLok Short Double Pull Metal Slider 18 inch White features durable molded plastic teeth made from injection molded polyacetal resin, providing a strong yet lightweight alternative to traditional metal zippers. This heavy-duty separating zipper offers double pull sliders with an AutoLok metal slider that securely locks in place, allowing two-way operation. Resistant to corrosion and chemicals, it is ideal for outdoor and marine applications, such as jackets, tents, and upholstery, where reliable closure and weather resistance are essential. Its white color and size #10 chain with approximately 10mm tooth width make it versatile for upgrading patio and outdoor living gear while maintaining durability and ease of use.