Really like the concept but the reality of it is it’s hard to use. The floss doesn’t stay on very tightly so that’s an issue too. Overall it’s just easier to floss without this tool.I didn’t have high hopes initially after being thoroughly disappointed with how poorly Quip’s reusable flosser stayed together, but I am pleasantly surprised with this one! Floss stays tight and only needs about a 8-10in strand. It easily reaches my back molars in my crowded mouth and doesn’t loosen (using with OralB Glide if that’s a factor). Way more ergonomic than the flossers you need to manually screw to tighten. Convenient that the pack came with two- got my partner on board as well!I bought this for my wife and son and they use this everyday. My son does his best to floss every night.Floss was hard to wrap and after 3 teeth it fell offI can't get the floss to stay in place for as much as I tight it as per instructions, after I floss between 3 teeth it loosens.I didn't work as expected. The floss kept coming loose and it took too many tries to make it work for me.We usually use the lil disposable flossers but wanted to try something a little more reusable, so we didn't have to throw away flossers everyday.Size wise: the part that you put floss on is about the same width as the disposable ones, but thicker. The handle is a lot longer than disposable flossers (clearly) but is kinda nice.. took a couple days to get used to the size change, but we haven't had any negative experiences with the size.Wrapping the floss: also took a few days to get the hang of. Using a little extra floss helped it stay tight (had a hard time keeping it taut with like 6" of floss)Overall: I like it, I'm glad we bought it. I like that it is dishwasher safe - easy to clean! Would recommend if you like the convenience of flossers but don't want to use as much single use plastic.I wish they would make one of these with a clip, It does slip off the button sometimes, but my teeth haven been flossed in a minute and this helps, it's getting easier to floss, my teeth just shred floss a lot.. but it's staying on the button the more I floss, I'm just using a bit more for now. This does conserve floss, now I just gotta find spools of floss without the plastic case. You can reuse the same floss if your teeth don't shred the floss.