54.6 yd (50 m). Infused with charcoal. Helps within where a toothbrush may miss (by helping to prevent surface stains between teeth by removing plaque which can lead to unsightly tartar). Helps remove plaque just below the gumline. Shred resistant. Burst of mint flavor. 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. www.oralb.com. www.pg.com. Questions? 1-800-645-4337. For more oral care information, visit us at: www.oralb.com. Made in China.