Sturdy Two Way Zippers with Dual Zipper Sliders – Featuring resin teeth and strong nylon tape, these #10 2 way zippers open in both directions without zipper stops. They resist rust, offer snag-free operation, and are machine washable and dryable. | Two-Way Zippers for Sewing & Upholstery – These 2 ways separating zippers are ideal for replacing jacket zippers, winter down coat zippers, and molded zippers for hoodies, parkas, sweaters, overalls, sportswear, and rainwear. | Head-to-Head Heavy Duty Black Zipper for Crafts & Repairs – Built for indoor, outdoor, and marine use, this dual zipper works for repairing tents, greenhouses, trampoline covers, boat covers, backpacks, and storage bags. | Easy to Install Heavy Duty Zippers for Canvas, Vinyl, Polyester, & Leather – With generous tape width for convenient sewing, this strong 26 inch two way separating zipper is easy to install by hand or with a sewing machine. | Left-Handed 2-Way Zipper for Jackets & More – The large #10 black plastic zipper glides effortlessly with 10mm-wide teeth. It measures 27 inches in length with a 1.5-inch tape width and 26-inch resin zipper section for smooth, fluid operation.