A Greenies dental chew a day is clinically proven to reduce tartar by 69% and plaque by 10%, helping your friends improve their oral health! For every two friends that sign up for a coupon, we'll give you a coupon for $1 off your next purchase**. We will not share, keep or promote your friend's email address or personal information with anyone (See our Privacy Policy). >> **Limit of 10 referrals. While supplies last. * Required information   * Your First Name   * Last Name   * Email Address     * Friend 1 Email address   Friend 2 Email address   Friend 3 Email address   Your message (maximum of 50 words)