Calling all dog owners - get your coupon and save $5 on the purchase of IAMS dry dog food. The coupon is valid for any size and any variety of dry food. IAMS dog food helps dogs keep a healthy skin and coat and helps with digestion. Learn more about IAMS dog food here. You can choose to have the coupon mailed to you or to print it off the web. The coupons expire on December 16th.