NEW $1 Reach Floss Coupon = FREE Floss This post may contain affiliate links. Please see the full disclosure policy here. Posted on January 8, 2011 Written by Mary Leave a Comment Coupons.com added a new $1 off Reach Floss Coupon. These go on sale quite often for $1 or .99 making them FREE after coupon! Be sure to print yours now and carry it with you.