38.2 yd (35 m). Slides up to 50% more easily in tight spaces (vs. regular floss). No. 1 dentist recommended brand. Experience the Glide Difference. Satisfaction guaranteed, or your money back (For guarantee, call 1-877-769-8791 within 60 days of purchase with UPC and receipt to receive a pre-paid card in the amount of the purchase). Glide Pro-Health Advanced - the most advanced floss from Glide ever. It helps reverse gingivitis as part of a comprehensive dental program. Protects against gingivitis, cavities, and bad breath. Patented floss slides up to 50% more easily in tight spaces. Effectively removes plaque and food particles in between teeth to help prevent cavities. Invigorates gums and provides a minty cool feeling every time you floss. Questions? 1-800-645-4337. www.oralb.com. www.pg.com.