Uncrustables is a frozen convenience-food brand of pre-sealed, crustless peanut butter and jelly (and other filling) sandwiches produced by The J.M. Smucker Company. Known for its consistent quality and distinctive sealed edges that preserve freshness, Uncrustables offers a grab-and-go solution for lunches and snacks sold through supermarkets and retailers, differentiating itself by simplifying preparation and portability.