http://www.purinaonechallenge.com/ -copy and paste the link -Offer good only in AL, AZ, AR, CA, CO, CT, DE, DC, FL, GA, IA, ID, IL, IN, KS, KY, MA, MD, ME, MI, MN, MO, NC, ND, NE, NH, NJ, NV, NY, OH, OK, OR, PA, RI, SC, SD, TN, TX, UT, VA,VT, WA, WI, WV, WY