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The product I am going to introduce is Oral Finish dental floss.
The thread is really thin and never breaks, so it is my favorite among the type of dental floss I have used.
The others are made of a material that stretches a bit, but I liked that this one really doesn't stretch.
It feels like the dental floss sold at the dentist's office, so it's really sturdy.
It's small and so convenient to carry around, so I always have it with me.