I needed zippers, often over 100"-long so the only legitimate alternative was learning to make them myself. This is the process.
YKK 7 Antique Brass Separating Jacket Zipper Heavy Duty Metal Zippers for Sewing Coats Crafts 4 36 Color black, Beige, Brown, or Navy
Heavy Duty Strong Metal Open End Zip by YKK For Motorbike Jackets No 8 – ThreadandTrimmings
YKK 10 Antique Brass Metal Extra Heavy Duty Separating Coat Jacket Zippers Made in the United States Choose Colors Length 5 to 36
Heavy Duty Extra Large Moving Bags with backpack straps - Veno Bags
Heavy-duty zip fasteners
YKK #10 Aluminum Jacket Zipper - WAWAK Sewing Supplies
#10 Black Separating Plastic Zippers Heavy Duty Resin Sewing Zipper with Double Pull Slider for Sewing Crafts,Sleeping Bag,Boat,Canvas,Trampoline
A Zipper Guide: Everything You Need To Know About Zip Types - Plush Addict
Clear Makeup Bag Organizer Portable Travel Toiletry Cosmetic Bag Case for Women Heavy Duty Make Up Pouch with Transparent Vinyl Windows & Gold Zippers(Pink)