Oral-B Glide Pro-Health Original Dental Floss, 50 m, helps remove plaque between teeth and just below the gum line. The silky-smooth, shred-resistant floss texture slides more easily in tight spaces vs. regular floss. Use dental floss to remove tough plaque in hard-to-reach areas and just below the gum line. Floss helps to clean areas your brush can't reach. More dentists and hygienists recommend Oral-B dental floss than any other brand. Using floss daily helps keep your teeth and gums healthy by cleaning where brushes can't. Satisfaction guaranteed or your money back. For guarantee, call 1-877-769-8791 within 60 days of purchase with UPC and receipt.