Win Free Smuckers Uncrustables: 300 Winners A Day Vote for the best finalist and you could win a coupon for a FREE box of Smuckers Uncrustables sandwiches (4-pack) by mail. Limit one Entry per person or e-mail address per day. Open to legal residents of the 50 United States and D.C., 18 years of age or older. Limit one coupon per person/household/email address for the entire length of the Promotion.