This durable zipper is tailored for outdoor fabrics and heavy materials, providing a dependable choice for canvas projects and boat covers. Its smooth gliding sliders enhance usability, while the robust nylon tape ensures stability during sewing. Ideal for creating secure closures, it meets the needs of users seeking reliability in challenging conditions. Features -Color:Black -Material:Resin, metal, nylon -Size:200.00X3.50X0.40cm/78.60X1.38X0.16in -Extra large size: specifically designed for oversized projects, this zipper is ideal for heavyduty applications like trampoline covers and outdoor fabrics -Smooth double pull: features a double pull mechanism for easy and efficient operation, simplifying access to your outdoor gear -Robust construction: built with durable nylon, this zipper ensures longevity and reliability, even in challenging outdoor conditions -Waterproof seal: the closedend design prevents water ingress, keeping your equipment during outdoor adventures -Multipurpose use: suitable for a variety of projects, including sewing tents, boat covers, and canvas items, making it a versatile addition to your toolkit Package list: 1 x giant double-headed zipper