Upgrade your outdoor living space with the YKK Vislon #10 Separating Zipper AutoLok Short Double Pull Metal Slider 48 inch Black. This heavy-duty zipper features molded plastic teeth and a double pull metal slider with an automatic lock for secure closure. Designed for marine and outdoor applications, it resists corrosion, UV damage, and weather, making it ideal for boat covers, tents, cushions, curtains, and jackets. The open end separating style and durable construction ensure reliable performance in demanding environments. This sample lets you experience the zipper's strength and smooth operation before making a larger investment.