Hey there DIY enthusiasts and sewing pros! If you're tired of struggling with broken zippers on your favorite jackets, this YaHoGa bulk set is exactly what you need. You get 10 full-length 20-inch separating zippers (actually 21 inches end-to-end) in 10 different colors - perfect for matching any project. These are #5 size plastic resin zippers, which is the standard for jackets and coats, and they zip super smoothly without catching. What's really great is that they're left-handed open-end zippers, which is exactly what most jackets require. I've used these for replacing zippers on winter coats, leather jackets, fleece jackets, even coveralls and uniforms - they work like a charm every time. The quality is seriously impressive for the price - much better than what you'd find at most craft stores. Each zipper has that durable resin teeth that won't rust or corrode, and they can handle regular use without failing. Whether you're a serious sewer doing custom projects or just need to fix that favorite jacket you can't bear to part with, these zippers deliver professional results. The bulk set means you'll have various colors on hand for future projects too. I've even used them for handbags and other crafts beyond just clothing. Installation is straightforward if you have basic sewing skills, and the finished result looks totally professional. For the price of what you'd pay for maybe two zippers elsewhere, you're getting ten quality zippers that will save multiple garments from the donation pile. Definitely a must-have for anyone who does their own clothing repairs or custom sewing projects!