Small round shape for close contact teeth.Flossing is an important part of one's oral care regimen, allowing you to remove plaque and particles that can lead to tooth decay and gingivitis from places between teeth that brushing can't reach. Our Natural Antiplaque Round Floss is made of strong nylon filaments twisted together to Beneficial Effects snapping or fraying. Prepared with a unique combination of natural waxes, our floss glides smoothly between teeth and is gentle on gums, and its small round shape lets you get between close-contact teeth.