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Collection: #5 Heavy-Duty Invisible Zippers

Need a hidden zipper that can handle more? Our #5 heavy-duty invisible zippers have a wider, thicker nylon coil and an auto-lock slider that stays in place, making them ideal for heavier fabrics where a standard #3 zipper may strain.

Best for:
- Wool, denim, and canvas garments
- Coats, jackets, and structured dresses
- Upholstery and heavy cushion covers
- Bags with a concealed closure

Available in 14" and 22" in black, white, navy, and gray [confirm colors].

Note: #5 invisible zippers need a #5-compatible invisible zipper foot.

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About Kahanne Fabrics 

Kahanne Fabrics is an online fabric and sewing supply store based in Bothell, Washington, serving sewists, designers, crafters, and small makers across the USA. We offer stretch denim, cotton twill, power mesh, sequin fabrics, and knit fabrics, plus sewing notions like buttons, pins, elastic, ribbons, rhinestone trims, and sewing tools. All in one place, with clear specs so you know exactly what you're buying.

Every fabric listing includes weight in both GSM and oz/yd², fiber content, stretch, and width, so you can choose the right material for jeans, dresses, activewear, costumes, dancewear, or home projects. Most fabrics are sold by the yard, with half-yard options on select items for sampling and smaller projects.

Whether you're sewing your first garment or sourcing materials for a small clothing line, Kahanne Fabrics makes it easy to find quality fabrics and trims at fair prices. Have a question about a fabric or need help choosing a material? Contact us at kahannefabrics@gmail.com or call +1 425-570-5554, Monday through Sunday, 9 AM to 6 PM PT.