50m dental floss specifically designed for periodontal disease prevention. I purchased this a few months ago but no longer use it, so I'm selling it. I opened the box to confirm it's unused and checked the contents. The plastic wrapping is unopened. It is unused. Price is not negotiable. - Brand: White Essence - Product Name: CHLOR FLOSS 50 - Purpose: Periodontal disease prevention - Made in: Japan - Contents: 50m Thank you for looking.