Dental floss that combines the three functions of floss, brush, and threader. - Product Name: ProxySoft 3in1 Floss - Number of Strands: 100 Pre-Cut Strands - Features: 3 functions: floss, brush, and threader - Uses: Cleaning between bridges and implants - Material: Soft nylon - Made in: USA - How to use: Water or toothpaste can be used ※ For hygiene reasons, I haven't counted the remaining strands, but I think I've used about 10. If you have any questions, please feel free to contact me ☺︎