The letters are a reference to the biggest and best zipper company in the world.
Why do almost all zippers have YKK on them? #ykk #zippers #funfacts #l
Unrivale LOUIS VUITTON/Fanny Pack/OS/Monogram/Leather/BLK/Discovery Bumbag, louis v fanny pack
What Are YKK Zippers?
How To Tell Where Your YKK Are Zippers Made (GORUCK Comparison) - All Day Ruckoff
YKK zippers, I know this is not a standalone product but any jacket that has a YKK zipper has to be the best jacket around. : r/BuyItForLife
Here's Why YKK Zippers Are On Everything - The Modest Man
YKK Zippers: Here's Why They're on Everything
YKK Zipper Plastic 25cm – Bara Studio, 52% OFF
YKK #5 brass one-way separating, open-end zippers are ideal for use on jackets. Features a tooth size of 5 (5 mm), tooth color is gold, 1 3/16 top
YKK #5 12 Brass Jacket Zipper - Beige (572)
YKK Jean Zipper 7
YKK zipper Guide: YKK Vislon Zipper
what's so special about YKK zippers ? they are consistently high-quali
YKK #5 Two-Way Separating Zipper - 240 - Ripstop by the Roll