Sorry, you have already registered for the Challenge. Unfortunately, you aren’t eligible to receive the $5 coupon. We only allow pet owners to enter once per email or household. As our way of saying thanks for being a loyal Purina ONE customer, we’re emailing you a $1 rebate the next time you purchase a 12 lb or larger bag of Purina ONE dry dog or cat food at your favorite store or online retailer. Check your email soon for more details.