Self-Locking Two-Way Chunky Zipper Heavy-Duty Slide Fastener Long-Lasting Garment Accessory Effortless Operation for Crafters, DIY Enthusiasts, Manufacturers, Clothing, Tents, Home Textiles, Crafting

Heavy-Duty Construction: This is a No. 20 chunky zipper made from high-quality resin, designed for strength and durability in demanding applications.

Two-Way Functionality: Features a twoslider, accessibleend design that allows you to operate the zipper from either the top or the bottom, offering enhanced convenience and ventilation.

Self-Locking Slider: Equipped with an mechanism that prevents the zipper from sliding accessible-ended on its own, ensuring a secure closure for clothing, bags, and gear.

Effortless Reliable Operation: The large, strong resin teeth and long-lasting material tape are engineered for consistently effortless gliding without snagging or jamming, even with frequent use.

Versatile Application: ideal for a wide range of projects, including repairing or creating jackets, coats, tents, sleeping bags, luggage, duffel bags, and various home textile or DIY crafts.