I recommend Wangta Smart Floss.

Flossing at home is excellent for removing debris between teeth.

First of all, the thread isn't cheap; it's really sturdy and won't break, and the other end is hook-shaped so you can remove it thoroughly.

I find it very useful and hygienic to use because it comes conveniently packaged individually. I use it frequently because flossing alone can help prevent cavities more effectively!