A durable, easytoinstall openend zipper designed for long jackets and DIY sewing projects. This resin 5# zipper features two locking sliders and a separating (openend) tail so garments can fully open and close while keeping smooth, reliable performance. Key benefits Reliable separation: Openend (separating) tail lets you fully open jackets and coats for easy wear and removal. Twoway access: Double sliders (twoway zipper) give adjustable ventilation and access from either end without removing the garment. Low maintenance and longlasting: Resin teeth resist corrosion, are lightweight, and glide smoothly for dependable everyday use. Ideal for DIY and repairs: Built for handmaking, tailoring, and replacement use on long garments and craft projects. Features and specifications Material: Resin (plastic) molded teeth for flexible, rustresistant performance. Tooth size: 5# (medium strength suitable for jackets and outerwear). Type: Openend (separating) zipper with double slider. Sliders: Double slider design with locking function for secure positioning. Length options: 80 cm or 90 cm (this listing includes the 80 cm variant; other lengths available as noted). Model/variant: D, 5#, 80 cm (as indicated in the product title). Use: Tailored for long jacket zips, coats, parkas and other fulllength garments; also suitable for craft and decoration supplies. Performance and compatibility Smooth glide: Molded resin teeth interact cleanly with the sliders for consistent opening and closing. Garment compatibility: Works well with mediumweight fabrics and is suitable for handsewing or machine attachment with appropriate zipper foot and techniques. Lightweight and durable: Resin construction keeps overall weight down while resisting environmental wear and moisture better than some metal zippers. Typical use cases Long jackets and coats: a worn zipper in a parka or trench coat with a separating, doubleslider 5# resin zipper for easy on/off and adjustable ventilation. DIY tailoring and crafts: Use in handmade outerwear, costume projects, or decorative garment modifications where a long separating zipper and twoway access are required. Sleep sacks and outer gear: Install as a practical, corrosionresistant separating zipper for sleeping bagstyle covers or oversize garments that need fulllength opening. Care and installation tips Use a zipper foot when machinesewing to keep stitching even and close to the teeth. Ensure the zipper length matches the project; trim the tape (not the teeth) carefully and secure the end stop if needed. Clean with a soft brush to remove lint; avoid harsh chemicals to preserve slider locking and resin integrity. What you get One resin moldedtooth, openend zipper, double slider, 5# size, model D, 80 cm length (80/90 cm options indicated in the product line). Ideal for jacketlength zippers, repairs, and DIY sewing projects.