Not very impressive, as far as floss goes. It's on the thin side, which I guess is fine for people with no space between their teeth. But it's also so slippery that I don't feel like it cleans anything off my teeth. This is the kind of floss that you use purely to get bigger bits of food right after you've eaten when you're out in public. But to use this as your main floss at home, I think your hygienist would tell you that you have to do a better job flossing, and it would be the fault of the floss because the surface texture isn't rough enough to grab plaque off the interproximal surfaces.